I have steadily endeavoured to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as facts are shown to be opposed to it.
A man who dares to waste one hour of time has not discovered the value of life.
Man tends to increase at a greater rate than his means of subsistence.
How paramount the future is to the present when one is surrounded by children.
I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
The very essence of instinct is that it's followed independently of reason.