Work and play are words used to describe the same thing under differing conditions. – Mark Twain
In certain trying circumstances, urgent circumstances, desperate circumstances, profanity furnishes a relief denied even to prayer. – Mark Twain
But who prays for Satan? Who, in eighteen centuries, has had the common humanity to pray for the one sinner that needed it most? – Mark Twain
The man who does not read good books has no advantage over the man who cannot read them. – Mark Twain
I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me. – Isaac Newton (1642–1727), spoken the evening before his death