The highest stage in moral culture at which we can arrive is when we recognize that we ought to control our thoughts.
— Charles Darwin
Famous Quotes
It is easy to specify the individual objects of admiration in these grand scenes; but it is not possible to give an adequate idea of the higher feelings of wonder, astonishment, and devotion, which fill and elevate the mind.
A republic cannot succeed, till it contains a certain body of men imbued with the principles of justice and honour.
It is a curious little world within itself
descent with modification
As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form.
Although much remains obscure, and will long remain obscure, … I am convinced that Natural Selection has been the main but not exclusive means of modification.
It will be seen that I look at the term species, as one arbitrarily given for the sake of convenience to a set of individuals closely resembling each other, and that it does not essentially differ from the term variety, which is given to less distinct and more fluctuating forms. The term variety, again, in comparison with mere individual differences, is also applied arbitrarily, and for mere convenience sake.
And thus, the forms of life throughout the universe become divided into groups subordinate to groups.