Every man who says frankly and fully what he thinks is doing a public service.

If atheism is to be used to express the state of mind in which God is identified with the unknowable, and theology is pronounced to be a collection of meaningless words about unintelligible chimeras, then I have no doubt, and I think few people doubt.

I believe that the ascent of mountains forms an essential chapter in the complete duty of man, and that it is wrong to leave any district without setting foot on its highest peak.

The English literary movement at the end of the 18th century was obviously due in great part, if not mainly, to the renewed practice of walking.

When I ceased to accept the teaching of my youth, it was not so much a process of giving up beliefs, as of discovering that I had never really believed.

The wilderness provides an environment for a child's inner life to develop because it requires him to be constantly aware of his surroundings.

Genius is a capacity for taking trouble.