Your keen perceptions humble me.

For work in three dimensions, with your perceptions of space and time.

Complexity if you spend enough time doing something, time slows down or your skill increases, so your perceptions change.

So, one thing I found early on, when I started doing computer games, is that I could create puzzles that will alter your perception.

Now, I'm actually going to ask you to try something, so you've got to pay attention. Complexity if you spend enough time doing something, time slows down or your skill increases, so your perceptions change.