Man is an animal that diddles, and there is no animal that diddles but man.

There are few persons who have not, at some period of their lives, amused themselves in retracing the steps by which particular conclusions of their own minds have been attained. The occupation is often full of interest and he who attempts it for the first time is astonished by the apparently illimitable distance and incoherence between the starting-point and the goal.

I need scarcely observe that a poem deserves its title only inasmuch as it excites, by elevating the soul. The value of the poem is in the ratio of this elevating excitement. But all excitements are, through a psychal necessity, transient.

The realities of the world affected me as visions, and as visions only, while the wild ideas of the land of dreams became, in turn,—not the material of my every-day existence--but in very deed that existence utterly and solely in itself.

Happiness is not to be found in knowledge, but in the acquisition of knowledge

I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago.

The best things in life make you sweaty.