"There is no Them, there is only Us. Some of Us think this or some of Us think that, but we're all Us."

"It鈥檚 really easy to complain. If you鈥檙e not careful, then you end up complaining about your whole life. Concentrating on the good things is really good. Catch people doing good."

"Spend and be spent."

"Science is but the statement of truth found out."

"Always seek out the seed of triumph in every adversity."

"The greatest penalty of evildoing - namely, to grow into the likeness of bad men."

"I love reason, but I am no fanatic in my love. Reason is our guide and beacon-light; but when you have made a divinity of it, it will blind you and instigate you to crime."

"It does not take sharp eyes to see the sun and the moon, nor does it take sharp ears to hear the thunderclap. Wisdom is not obvious. You must see the subtle and notice the hidden to be victorious."