Life is not intellectual or critical, but sturdy. Its chief good is for well-mixed people who can enjoy what they find, without question.

Nature is a tropical swamp in sunshine, on whose purlieus we hear the song of summer birds, and see prismatic dewdrops, - but her interiors are terrific, full of hydras and crocodiles.

Bad times have a scientific value. These are occasions a good learner would not miss.

We never touch but at points.

Speak your latent conviction. . . Else tomorrow a stranger will say with masterly good sense precisely what we have thought and felt all the time, and we shall be forced to take with shame our own opinion from another.

In Nature, all is useful, all is beautiful

Men are what their mothers made them. You may as well ask a loom which weaves huckabuck why it does not make cashmere as to expect poetry from this engineer or a chemical discovery from that jobber.