Blushing is the most peculiar and most human of all expressions.
Intelligence is based on how efficient a species became at doing the things they need to survive.
Man selects only for his own good: Nature only for that of the being which she tends.
If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.
That it will never come again is what makes life sweet.
Linnaeus and cuvier have been my two gods, though in very different ways, but they were mere schoolboys to old aristotle.
I have deeply regretted that I did not proceed far enough at least to understand something of the great leading principles of mathematics, for men thus endowed seem to have an extra sense.
In regard to the amount of difference between the races, we must make some allowance for our nice powers of discrimination gained by a long habit of observing ourselves.
What wretched doings come from the ardor of fame; the love of truth alone would never make one man attack another bitterly.
But a plant on the edge of a deserts is said to struggle for life against the drought, though more properly it should be said to be dependent upon the moisture.
The limit of man s knowledge in any subject possesses a high interest which is perhaps increased by its close neighbourhood to the realms of imagination.
It is necessary to look forward to a harvest, however distant that may be, when some fruit will be reaped, some good effected.
What a book a devil's chaplain might write on the clumsy, wasteful, blundering, low, and horribly cruel work of nature.
This prophecy has turned out entirely and miserably wrong.
And thus, the forms of life throughout the universe become divided into groups subordinate to groups.
Light will be thrown on the origin of man and his history.
Ignorance more frequently beget confidence than does knowledge.
Such simple instincts as bees making a beehive could be sufficient to overthrow my whole theory.
I am convinced that natural selection has been the main but not exclusive means of modification
It is difficult to believe in the dreadful but quiet war lurking just below the serene facade of nature
One hand has surely worked throughout the universe.
A scientific man ought to have no wishes, no affections, - a mere heart of stone.
The very essence of instinct is that it's followed independently of reason.
Only picture to yourself a nice soft wife on a sofa with good fire, & books & music.
We will now discuss in a little more detail the struggle for existence.
It is always advisable to perceive clearly our ignorance.
I am not the least afraid to die.
Great is the power of steady misrepresentation.
Blushing is the most peculiar and most human of all expressions.
The love for all living creatures is the most noble attribute of man.