Experience is a good teacher, but her fees are very high.
Take away fear, and the battle of Freedom is half won.
Let none of us delude himself by supposing that honesty is always the best policy. It is not.
The aim of education is the knowledge, not of facts, but of values.
For better or worse, man is the tool-using animal, and as such he has become the lord of creation. When he is lord also of himself, he will deserve his self-chosen title homo sapiens.
Religion is caught, not taught.