An interesting thought experiment that I vividly remember from undergrad philosophy courses is the trolley problem:

You see a runaway trolley moving toward five tied-up (or otherwise incapacitated) people lying on the main track. You are standing next to a lever that controls a switch. If you pull the lever, the trolley will be redirected onto a side track, and the five people on the main track will be saved. However, there is a single person lying on the side track. You have two options:

1. Do nothing and allow the trolley to kill the five people on the main track.
2. Pull the lever, diverting the trolley onto the side track where it will kill one person.

A variation of the problem that we were also presented with was:

You see a runaway trolley moving toward five tied-up (or otherwise incapacitated) people lying on the main track. You are standing on a bridge that runs across the trolley tracks. There is a large man on the bridge next to you, who if pushed over the bridge and onto the track, would safely stop the trolley, saving the five people but killing the large man. Do you:

1. Push the man over the bridge, saving the five people.
2. Allow the trolley to kill the five people

Which is the more ethical options? Or, more simply: What is the right thing to do?

... The very insistence on the one historical incarnation as a unique step in a course of events leading to the future Kingdom of God reveals the psychology of Western culture most clearly. It shows a mentality for which the present, real world is, in itself, joyless and barren, without value. The present can have value only in terms of meaning—if, like a word, it points to something beyond itself. This "beyond" which past and present events "mean" is the future. This the Western intellectual, as well as the literate common man, finds his life meaningless except in terms of a promising future. But the future is a "tomorrow which never comes", and for this reason Western culture has a "frantic" character. It is a desperate rush in pursuit of an ever-receding "meaning", because the promising future is precisely the famous carrot which the clever driver dangles before his donkey's nose from the end of his whip. Tragically enough, this frantic search for God, for the ideal life, in the future renders the course of history anything but a series of unique steps towards a goal. Its real result is to make history repeat itself faster and more furiously, confusing "progress" with increased agitation.

—Alan Watts, Myth and Ritual in Christianity. 1954

Mine is: do others see the same colours that I do? As in, is my "green" the same as your "green"? Or would my "green" look "blue" to you? I like this one because it's completely possible, points out the plasticity of our minds and makes a distinction between sensation and perception. There are variations of this but I like it formulated as such. It's my favorite because it was also my first foray into the philosophy of consciousness and I'm often reminded of it when in an altered state of consciousness (e.g. by psychedelics).

Your favorite experiment can be whatever: either something that has affected you deeply / changed your life or just something fun and amusing to think about.

I've been interested in meditation for some time now - tempted by the insight into the human condition that it purports to offer - but I haven't yet experienced any kind of 'breakthrough' moment that has brought any clarity, let alone insight.

I have read Sam Harris's Waking Up, and have done some of the course in his app. The most I've been able to achieve is to observe (and subsequently limit, control) getting angry. This has proven pretty useful but doesn't feel profound.

Anyway, I'm now about half way through D. E. Harding's On Having No Head, and I am struggling with it.

I keep telling myself to stick with it because what he's saying might become clear, but I'm finding the reasoning behind it to be wilfully obtuse at times. I fear I'm exposing myself as some kind of idiot in even asking about it, but can someone help me see his point?

He talks about looking at what you're pointing at. Makes sense. I can see those things, therefore they're there.
And then to point at your face. You can't see that. Ok. Makes sense. I can't see that, therefore it's not there?
I can vaguely see a blur of my nose, but that isn't anything worth worrying about?

But I can demonstrate that it's there. I can photograph it. I can look at it in a mirror. I can touch it and feel it (and it can feel).

I feel like I'm the fool staring at a metaphor and screaming about it not being real but I can't see the bit I'm missing!

Does anyone have any insight they can share?

If reality is a simulation, then why is evil allowed to exist, or why did our creators let evil exist?

I know that the point of having a simulation is so that we can learn about life, but why is it more likely to be in a simulation with 'real' characteristics rather than one where everything is utter happiness? Why didn't our creators make infinitely more simulations where people are just happy all the time?

Of course this brings us to the question of whether you can know happiness without pain. If reality is a simulation, couldn't it be possible to make people happiness with only the memory of pain (or just knowledge of pain) without actual pain? I would think so.

What do you think?