The human intellect owes its superiority over that of the lower animals in great measure to the stimulus which alcohol has given imagination.

Since God himself cannot change the past, He is obliged to tolerate the existence of historians.

Though analogy is often misleading, it is the least misleading thing we have.

Memory and forgetfulness are as life and death to one another. To live is to remember and to remember is to live. To die is to forget and to forget is to die.

When people talk of atoms obeying fixed laws, they are either ascribing some kind of intelligence and free will to atoms or they are talking nonsense. There is no obedience unless there is at any rate a potentiality of disobeying.

Inspiration is never genuine if it is known as inspiration at the time. True inspiration always steals on a person; its importance not being fully recognized for some time.

There is no permanent absolute unchangeable truth; what we should pursue is the most convenient arrangement of our ideas.