Besides love and sympathy, animals exhibit other qualities connected with the social instincts which in us would be called moral.
Charles DarwinTag: love animals morality sympathy
We are not here concerned with hopes or fears, only with truth as far as our reason permits us to discover it.
Charles DarwinA grain in the balance will determine which individual shall live and which shall die - which variety or species shall increase in number, and which shall decrease, or finally become extinct.
Charles DarwinTag: science biology evolution
How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service!
Charles DarwinFreedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.
Charles DarwinTag: science freedom thought illumination
I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that natural selection has been the most important, but not the exclusive, means of modification.
Charles DarwinNevertheless so profound is our ignorance, and so high our presumption, that we marvel when we hear of the extinction of an organic being; and as we do not see the cause, we invoke cataclysms to desolate the world, or invent laws on the duration of the forms of life!
Charles DarwinTag: natural-selection extinction species
I have stated, that in the thirteen species of ground-finches, a nearly perfect gradation may be traced, from a beak extraordinarily thick, to one so fine, that it may be compared to that of a warbler.
Charles DarwinTag: ideas-are-power
False facts are highly injurious to the progress of science, for they often endure long; but false views, if supported by some evidence, do little harm, for everyone takes a salutary pleasure in proving their falseness; and when this is done, one path towards error is closed and the road to truth is often at the same time opened.
Charles DarwinTag: science truth progress facts learning-from-mistakes falsities overcoming-mistakes
we are always slow in admitting any great change of which we do not see the intermediate steps
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