The more you read, the more you calm down.

Great minds struggle to cure diseases so that people may live longer, but only madmen ask why. One lives longer in order that he may live longer. There is no other purpose.

We must understand that when a society undermines intellectual freedom for its own purposes it is absolutely morally bad, but when it represses biological freedom for its own purposes it is absolutely morally good.

It's so hard when contemplated in advance, and so easy when you do it.

The range of human knowledge today is so great that we're all specialists and the distance between specializations has become so great that anyone who seeks to wander freely between them almost has to forego closeness with the people around him.

Other people can talk about how to expand the destiny of mankind. I just want to talk about how to fix a motorcycle. I think that what I have to say has more lasting value.

Even though quality cannot be defined, you know what quality is.