If you're doing an experiment, you should report everything that you think might make it invalid - not only what you think is right about it; other causes that could possibly explain your results; and things you thought of that you've eliminated by some other experiment, and how they worked -to make sure the other fellow can tell they have been eliminated.

To not know math is a severe limitation to understanding the world.

What is not surrounded by uncertainty cannot be the truth.

Today's brains are yesterday's mashed potatoes.

The world is a dynamic mess of jiggling things

I don't have to be good because they think I'm going to be good.

The test of all knowledge is experiment.