The most wasted of all days is one without laughter.
We can never tell what is in store for us.
Insanity in individuals is something rare – but in groups, parties, nations and epochs, it is the rule.
Better a diamond with a flaw than a pebble without.
Live so that your friends can defend you but never have to.
Truth springs from argument amongst friends.
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men, for they may act out their dream with open eyes, to make it
Let us grant that the pursuit of mathematics is a divine madness of the human spirit, a refuge from the goading urgency of contingent happenings.