I find the whole business of religion profoundly interesting. But it does mystify me that otherwise intelligent people take it seriously.

Civilization is the process of setting man free from men.

He who walks in another’s tracks leaves no footprints.

Only those who dare to fail greatly can ever achieve greatly.

Too many people overvalue what they are not and undervalue what they are.

It’s never too late –– in fiction or in life –– to revise.

If you want to make your dreams come true, the first thing you have to do is wake up.

Mathematics is a vast adventure in ideas; its history reflects some of the noblest thoughts of countless generations.

Never give in--never, never, never, never, in nothing great or small, large or petty, never give in except to convictions of honour and good sense. Never yield to force; never yield to the apparently overwhelming might of the enemy.

War is an ugly thing, but not the ugliest of things. The decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse. The person who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself.