"Think not the bigotry of another is any excuse for your own." -John Wesley, English preacher and co-founder of the Methodist movement  

It's not for sex; it's for affirmation, says the marriage expert Schmuley Boteach. Men cheat, by and large, because they feel like failures. They stray because they seek an outside arbiter. They need someone not their wife or partner  to proclaim them worthy.  

Have you been watching The Roosevelts on PBS? Big Think Expert Doris Kearns Goodwin discusses Theodore Roosevelt's "bully pulpit."

Neuroscientist and author Sam Harris discusses a form of spirituality founded on science and reason.

“The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.”

"In the information age, you don't teach philosophy as they did after feudalism. You perform it. If Aristotle were alive today he'd have a talk show." -Timothy Leary

The retired congressman discusses his long history as a supporter of marijuana legalization.