At least once a day, allow yourself the freedom to think and dream for yourself.

Thinking is to man what flying is to birds. Don’t follow the example of a chicken when you could be a lark.

All I want to do is learn to think like God. All the rest is just details.

Humankind's desire for peace can be realized only by the creation of a world government.

Understanding physics is child's play when compared to understanding child's play.

Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.

Never memorize something that you can look up.