Facts sometimes have a strange and bizarre power that makes their inherent truth seem unbelievable.

From principles is derived probability but truth or certainty is obtained only from facts

The truth is more important than the facts

Facts are many but the truth is one

There's a world of difference between truth and facts. Facts can obscure the truth

Death cancels everything but truth

almost everything – all external expectations, all pride, all fear of embarrassment or failure - these things just fall away in the face of death, leaving only what is truly important. Remembering that you are going to die is the best way I know to avoid the trap of thinking you have something to lose. You are already naked. There is no reason not to follow your heart

All truths are easy to understand once they are discovered; the point is to discover them

A thing is not necessarily true because a man dies for it

If Darwin's theory should be true, it will not degrade man; it will simply raise the whole animal world into dignity, leaving man as far in advance as he is at present