Science doesn't purvey absolute truth. Science is a mechanism... for testing your thoughts against the universe.

Tell me why the stars do shine, Tell me why the ivy twines, Tell me what makes skies so blue, And I'll tell you why I love you. Nuclear fusion makes stars to shine, Tropisms make the ivy twine, Raleigh scattering make skies so blue, Testicular hormones are why I love you.

Of course there are worlds. Millions of them! Every star you see has worlds, and most of those you don't see.

The greatest inventors are unknown to us. Someone invented the wheel - but who?

To introduce something altogether new would mean to begin all over, to become ignorant again, and to run the old, old risk of failing to learn.

... you just can't differentiate between a robot and the very best of humans.

To me it seems to be important to believe people to be good even if they tend to be bad, because your own joy and happiness in life is increased that way, and the pleasures of the belief outweigh the occasional disappointments. To be a cynic about people works just the other way around and makes you incapable about enjoying the good things.