"My personal conviction is that science is concerned wholly with truth, not with ethics."

"In a tribal organization, even in time of peace, service to tribe or state predominates over all self seeking in war, service for the tribe or state becomes supreme, and personal liberty is suspended."

"Man is by nature competitive, combative, ambitious, jealous, envious, and vengeful."

"A visionary sees the unseen possibilities in the heart of common struggles. For where clarity resides, peace inevitably follows."

"No party has a monopoly on wisdom. No democracy works without compromise. But when Governor Romney and his allies in Congress tell us we can somehow lower our deficit by spending trillions more on new tax breaks for the wealthy - well, you do the math. I refuse to go along with that. And as long as I'm President, I never will."

"The idea is that they wouldn't want to deal with militant Islam but an Islam and Muslims who are committed to progress, committed to development, who like peace and are moderate in their ways. So that's what we are doing here."

"Gandhi has asked that the British Government should walk out of India and leave the Indian people to settle differences among themselves, even if it means chaos and confusion."