I do not speak to those who are well employed, in whatever circumstances, and they know whether they are well employed or not; but mainly to the mass of men who are discontented, and idly complaining of the hardness of their lot or of the times, when they might improve them.

Most men, even in this comparatively free country, through mere ignorance and mistake, are so occupied with the factitious cares and superfluously coarse labors of life that its finer fruits cannot be plucked by them.

A man's interest in a single bluebird is worth more than a complete but dry list of the fauna and flora of a town.

What is the value of any political freedom, but as a means to moral freedom?

To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live according to its dictates, a life of simplicity, independence, magnanimity and trust.

The civilized nations--Greece, Rome, England--have been sustained by the primitive forests which anciently rotted where they stand. They survive as long as the soil is not exhausted. Alas for human culture! little is to be expected of a nation, when the vegetable mould is exhausted, and it is compelled to make manure of the bones of its fathers. There the poet sustains himself merely by his own superfluous fat, and the philosopher comes down on his marrow-bones.

With all your science can you tell me how it is, and when it is, that light comes into the soul?