Our best thoughts come from others.

The sinew and heart of man seem to be drawn out, and we are become timorous desponding whimperers. We are afraid of truth, afraid of fortune, afraid of death, and afraid of each other.

A new person is to me a great event, and hinders me from sleep. I have often had fine fancies about persons which have given me delicious hours; but the joy ends in the day; it yields no fruit.

The religion that is afraid of science dishonors God and commits suicide. Every influx of atheism, of skepticism, is thus made useful as a mercury pill assaulting and removing a diseased religion, and making way for truth.

Our health is our sound relation to external objects; our sympathy with external being.

To speak truly, few adult persons can see nature. Most persons do not see the sun.

Nature is no spendthrift, but takes the shortest way to her ends.