Buddhism is a hundred times as realistic as Christianity it is part of its living heritage that it is able to face problems objectively and coolly; it is the product of long centuries of philosophical speculation.
Buddha taught kindness towards lower beings; and since then there has not been a sect in India that has not taught charity to all beings, even to animals. This kindness, this mercy, this charity - greater than any doctrine - are what Buddhism left to us.
Our civilization, bequeathed to us by fierce adventurers, eaters of meat and hunters, is so full of hurry and combat, so busy about many things which perhaps are of no importance, that it cannot but see something feeble in a civilization which smiles as it refuses to make the battlefield the test of excellence.
Buddhism ... is not a culture but a critique of culture, an enduring nonviolent revolution or "loyal opposition" to the culture in which it is involved.
One interesting thing about greed is that although the underlying motive is to seek satisfaction, the irony is that even after obtaining the object of your desire you are still not satisfied. The true antidote of greed is contentment.
If science proves facts that conflict with Buddhist understanding, Buddhism must change accordingly. We should always adopt a view that accords with the facts.