All the evolution we know of proceeds from the vague to the definite.

Consider what effects that might conceivably have practical bearings you conceive the objects of your conception to have. Then, your conception of those effect…

Mere imagination would indeed be mere trifling; only no imagination is mere.

Let us not pretend to doubt in philosophy what we do not doubt in our hearts.

A small beginning has led us to a great ending. If I were to put the bit of chalk with which we started into the hot but obscure flame of burning hydrogen, it …

The true knowledge or science which exists nowhere but in the mind itself, has no other entity at all besides intelligibility; and therefore whatsoever is clea…

God made Man, but he used a monkey to do it