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

If an apple was magnified to the size of the Earth, then the atoms in the apple would be approximately the size of the original apple.

There are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.

Of course, you only live one life, and you make all your mistakes, and learn what not to do, and that's the end of you.

Work hard to find something that fascinates you.

During the Middle Ages there were all kinds of crazy ideas, such as that a piece of rhinoceros horn would increase potency. Then a method was discovered for separating the ideas - which was to try one to see if it worked, and if it didn't work, to eliminate it. This method became organized, of course, into science.

Nature...cannot be fooled!