“A scientific man ought to have no wishes, no affections, – a mere heart of stone.”

To suppose that the eye could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree

We will now discuss in a little more detail the Struggle for Existence.

A moral being is one who is capable of reflecting on his past actions and their motives – of approving of some and disapproving of others.

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.

That man who is without religion and mercy should be rejected. A guru without spiritual knowledge should be rejected. The wife with an offensive face should be given up, and so should relatives who are without affection.

The simulated approval and affection with which parents and teachers are often urged to solve behavior problems are counterfeit. So are flattery, backslap-ping, and many other ways of “winning friends.

In a relationship, the word ‘sorry’ is worth more than gold. However, the more it’s mentioned the lesser your love and affection becomes.

The kindness and affection from the public have carried me through some of the most difficult periods, and always your love and affection have eased the journey.

Whatever a man depends upon, whatever rules his mind, whatever governs his affections, whatever is the chief object of his delight, is his god.

You set the standards for how you will be treated. People will treat you the exact way you treat yourself. So be good to you. Take time for yourself. Rest. Play. Shower yourself with affection, support, and gifts.

It was lovely to receive the affection from some of the supporters of our biggest rival, It doesn’t happen to you very often in your career.

The entire ocean is affected by a single pebble.