Modern intelligence won't accept anything on authority. But it will accept anything without authority.

I would maintain that thanks are the highest form of thought; and that gratitude is happiness doubled by wonder.

An adventure is only an inconvenience rightly considered. An inconvenience is only an adventure wrongly considered.

The modern world has far too little understanding of the art of keeping young. Its notion of progress has been to pile one thing on top of another, without caring if each thing was crushed in turn. People forgot that the human soul can enjoy a thing most when there is time to think about it and be thankful for it. And by crowding things together they lost the sense of surprise; and surprise is the secret of joy.

A man does not know what he is saying until he knows what he is not saying.

If the common man in the past had a grave respect for property, it may conceivably have been because he sometimes had some of his own.

Experience which was once claimed by the aged is now claimed exclusively by the young.