Charles Darwin is best known for his study on evolution and his book titled "The Origin of Species". Much of Darwin's work was written when he saled around the world in the HMS Beagle and his time spent on Galapagos Island. While doing so, he realized that there were many of the same plants and animals, but they all had slight variations. The slight variations allowed the species to adapt to its environment. However, he argues that the adaption didn't occur to allow the species to live there, but the variations occured first, and then they were allowed to live there better than the other species, which in turn allowed them to overtake and outlive the other variations. Read some quotes from Charles Darwin below.
A man who dares to waste one hour of time has not discovered the value of life.
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 every one takes a salutary pleasure in proving their falseness.
I cannot persuade myself that a beneficent and omnipotent God would have designedly created parasitic wasps with the express intention of their feeding within the living bodies of Caterpillars.
A man's friendships are one of the best measures of his worth.
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.
An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.
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At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, and replace the savage races throughout the world.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.