"The optimist proclaims that we live in the best of all possible worlds, and the pessimist fears this is true"

"A leader is best when people barely know he exists, when his work is done, his aim fulfilled, they will say: we did it ourselves"

"Do what you do best, and you will succeed"

"Youth is the best time to be rich, and the best time to be poor"

"The best mirror is an old friend"

"The best preparation for good work tomorrow is to do good work today"

"Women, can't live with them, can't live without them"

"People with many interests live, not only longest, but happiest"

"Don't lower your expectations to meet your performance. Raise your level of performance to meet your expectations. Expect the best of yourself, and then do what is necessary to make it a reality"

"It's not that we use technology, we live technology"

"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom"