“The great quest of life has always been to discover truth.”

“Feeling sorry for ourselves is the most useless waste of energy on the planet. It does absolutely no good. We can't let our circumstances or what others do or don't do control us. We can decide to be happy regardless.”

“Learn to do your own thinking - don’t let other people do it for you!”

“When you forgive, you must cancel the debt. Do not spend your life paying and collecting debts.”

“I've learned that usually, the less I know about other people, the better off I am.”

“Nor age so eat up my invention.”

“Ideas are the very coinage of your brain.”

“Where art thou, Muse, that thou forget'st so long / To speak of that which gives thee all thy might?”