The human race may well become extinct before the end of the century.

It has become a commonplace that aggressiveness also often has its roots in fear. I am inclined to think that this theory has been pushed too far. [...] The type of aggressiveness that is the outcome of timidity is not, I think, that which inspires great leaders; the great leaders, I should say, have an exceptional self-confidence which is not only on the surface, but penetrates deep into the subconscious.

The sea, the stars, the night wind in waste places, mean more to me than even the human beings I love best.

The pure mathematician, like the musician, is a free creator of his world of ordered beauty.

European travellers find the Japanese a smiling race.

To like many people spontaneously and without effort is perhaps the greatest of all sources of personal happiness.

Some care is needed in using Descartes' argument. "I think, therefore I am" says rather more than is strictly certain. It might seem as though we are quite sure of being the same person to-day as we were yesterday, and this is no doubt true in some sense. But the real Self is as hard to arrive at as the real table, and does not seem to have that absolute, convincing certainty that belongs to particular experiences.