There is more of good nature than of good sense at the bottom of most marriages.

A man can suffocate on courtesy.

I had often stood on the banks of the Concord, watching the lapse of the current, an emblem of all progress, following the same law with the system, with time, and all that is madeand at last I resolved to launch myself on its bosom and float whither it would bear me.

A man is wise with the wisdom of his time only, and ignorant with its ignorance.

Nations! What are nations? Tartars! and Huns! and Chinamen! Like insects they swarm. The historian strives in vain to make them memorable. It is for want of a man that there are so many men. It is individuals that populate the world.

To say that a man is your Friend, means commonly no more than this, that he is not your enemy. Most contemplate only what would be the accidental and trifling advantages of Friendship, as that the Friend can assist in time of need by his substance, or his influence, or his counsel. Even the utmost goodwill and harmony and practical kindness are not sufficient for Friendship, for Friends do not live in harmony merely, as some say, but in melody.

I have just been through the process of killing a cistudo for the sake of science; but I cannot excuse myself for this murder, and see that such actions are inconsistent with the poetic perception, however they may serve science, and will affect the quality of my observations. I pray that I may walk more innocently and serenely through nature. No reasoning whatever reconciles me to this act. It affects my day injuriously. I have lost some self-respect. I have a murderer's experience to a degree.