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The love of a dog for his master is notorious; in the agony of death he has been known to caress his master, and everyone has heard of the dog suffering under vivisection, who licked the hand of the operator; this man, unless he had a heart of stone, must have felt remorse to the last hour of his life.

Charles Darwin

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.
CHARLES DARWIN

Action Approve Capable Moral Reflection
An agnostic would be the more correct description of my state of mind.
CHARLES DARWIN

Agnostic Correction Description Mind State
We are not here concerned with hopes or fears, only with truth as far as our reason permits us to discover it.
CHARLES DARWIN

Concern Discover Fear Hope Permit Reason Truth
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
CHARLES DARWIN

Control Culture Moral Possible Recognize Stage Thinking
Hence, a traveller should be a botanist, for in all views plants form the chief embellishment.
CHARLES DARWIN

Chief Plant Travel View
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.
CHARLES DARWIN

Cattle Character Dog Horse Man Marriage
The world will not be inherited by the strongest, it will be inherited by those most able to change.
CHARLES DARWIN

Change Strong World
Freedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.
CHARLES DARWIN

Advance Freedom Men Mind Promotion Science Thinking
For the shield may be as important for victory, as the sword or spear.
CHARLES DARWIN

Important Shield Sword Victory
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.
CHARLES DARWIN

Corner Earth Hen Knowledge Scratch Strike Structure
The willing horse is always overworked.
CHARLES DARWIN

Horse One Liner Work
The more one thinks, the more one feels the hopeless immensity of man’s ignorance.
CHARLES DARWIN

Feeling Hopeless Ignorance Immensity Man Thinking
Not one change of species into another is on record, we cannot prove that a single species has been changed.
CHARLES DARWIN

Change Prove Record Species
A man’s friendships are one of the best measures of his worth.
CHARLES DARWIN

Friendship Man Measure Worth
The most powerful natural species are those that adapt to environmental change without losing their fundamental identity which gives them their competitive advantage.
CHARLES DARWIN

Adapt Advantage Change Environment Fundamental Identity Lose Powerful Species
Besides love and sympathy, animals exhibit other qualities connected with the social instincts which in us would be called moral.
CHARLES DARWIN

Animal Instinct Love Moral Quality Social Sympathy

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