The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator the smaller the fraction.
He was an embittered atheist (the sort of atheist who does not so much disbelieve in God as personally dislike Him).
A wise man is he who does not grieve for the thing which he has not, but rejoices for those which he has.
A creditor is worse than a slave-owner; for the master owns only your person, but a creditor owns your dignity, and can command it.
A serious writer is not to be confused with a solemn writer. A serious writer may be a hawk or a buzzard or even a popinjay, but a solemn writer is always a bloody owl.
A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity is larger still.