“In all things success depends on previous preparation, and without such previous preparation there is sure to be failure.”

“Only after winter comes do we know that the pine and the cypress are the last to fade.”

“I am not bothered by the fact that I am not understood. I am bothered when I do not know others.”

“Reviewing what you have learned and learning anew, you are fit to be a teacher.”

“They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it.”

“To see what is right, and not to do it, is want of courage or of principle.”

“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.”