“I ought, or I ought not, constitute the whole of morality.”

Man scans with scrupulous care the character and pedigree of his horses, cattle, and dogs before he matches them; but when he comes to his own marriage he rarely, or never, takes any such care.

One general law, leading to the advancement of all organic beings, namely, multiply, vary, let the strongest live and the weakest die.

We are always slow in admitting any great change of which we do not see the intermediate steps

What wretched doings come from the ardor of fame; the love of truth alone would never make one man attack another bitterly.

The more one thinks, the more one feels the hopeless immensity of man’s ignorance.

Sympathy beyond the confines of man, that is, humanity to the lower animals, seems to be one of the latest moral acquisitions.

Blushing is the most peculiar and most human of all expressions.

Free will is to mind what chance is to matter.

Even when we are quite alone, how often do we think with pleasure or pain of what others think of us – of their imagined approbation or disapprobation.

We behold the face of nature bright with gladness.

He who remains passive when over-whelmed with grief loses his best chance of recovering his elasticity of mind.

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.

At no time am I a quick thinker or writer: whatever I have done in science has solely been by long pondering, patience and industry.

A language, like a species, when extinct, never – reappears.

Only picture to yourself a nice soft wife on a sofa with good fire, & books & music.

It strikes me that all our knowledge about the structure of our Earth is very much like what an old hen would know of the hundred-acre field in a corner of which she is scratching.

Every constitution written since the end of World War II includes a provision that men and women are citizens of equal stature. Ours does not.

I didn’t change the Constitution; the equality principle was there from the start. I just was an advocate for seeing its full realization.

There is a Constitutional right to prostitution.

It may be necessary to use methods other than constitutional ones.

Stay with us, please remain in this country and constitute a nation based on national unity.

Every discrimination against women in the constitutions and laws of the several States is today null and void, precisely as in every one against Negroes.

The Second Amendment is outdated in the sense that its function has become obsolete.

I think members of the legislature, people who have to run for office, know the connection between money and influence on what laws get passed.