We are a social animal, power only exists in a social sense, we have to work in groups.

When it comes to fertility, there are so may things that have to go right. In any one individual, there might be one major problem and two minor ones or no major ones and seven minor ones. Throw in another person's physiology, and it's complicated. I try to give people the knowledge that they can make as many changes as they want.

Our levels of desire, patience, persistence, and confidence end up playing a much larger role in success than sheer reasoning powers. Feel motivated and energized, we can overcome almost anything. Feeling bored and restless, our minds shut off and we become increasingly passive.

We must create our own world or we will die from inaction

Your ability to work with people directly affects your ability to get work done in the world.

If you are interested in a form of science or interested in a particular kind of business or whatever - or if you want to be a writer, there's so much information out there, it's almost too much.

Many a serious thinker has been produced in prisons, where we have nothing to do but think.