“There is much pleasure to be gained from useless knowledge.”

“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.”

“The point of philosophy is to start with something so simple as not to seem worth stating, and to end with something so paradoxical that no one will believe it.”

“The method of "postulating" what we want has many advantages; they are the same as the advantages of theft over honest toil.”

“Men fear thought as they fear nothing else on earth – more than ruin, more even than death.”

“Of all forms of caution, caution in love is perhaps the most fatal to true happiness.”

“Happiness is the final and perfect fruit of obedience to the laws of life.”

“The highest result of education is tolerance.”

“Example is the best lesson there is.”

“Only a man's character is the real criterion of worth.”

“It isn't enough to talk about peace. One must believe in it. And it isn't enough to believe in it. One must work at it.”

“In the long run, we shape our lives and we shape ourselves. The process never ends until we die. And the choices we make are ultimately our own responsibility.”