A man who dares to waste one hour of time has not discovered the value of life. - Charles Darwin. View more images...
A man's friendships are one of the best measures of his worth. - Charles Darwin. View more images...
The expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate and is sometimes equally convenient. - Charles Darwin. View more images...
In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection. - Charles Darwin. View more images...
It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change. - Charles Darwin. View more images...