All action is for the sake of some end; and rules of action, it seems natural to suppose, must take their whole character and color from the end to which they are subservient.
John Stuart MillHe who lets the world choose his plan of life for him has need of no other faculty than that of ape-like imitation.
John Stuart MillThe application of algebra to geometry ... has immortalized the name of Descartes, and constitutes the greatest single step ever made in the progress of the exact sciences.
John Stuart MillAmong the works of man, which human life is rightly employed in perfecting, the first in importance surely is man himself.
John Stuart MillHuman beings are not like sheep; and even sheep are not undistinguishably alike. A man cannot get a coat or a pair oboots to fit him, unless they are either made to his measure, or he has a whole warehouseful to choose from: and is it easier to fit him with a life than with a coat, or are human beings more like one another in their whole physical and spiritual conformation than in the shape of their feet? If it were only that people have diversities of taste, that is reason enough for not attempting to shape them all after one model.
John Stuart Mill