Many people think of knowledge as money, They would like knowledge, but do not want to face the perseverance and self- denial that goes into the acquisition of it.

You will find most books worth reading are worth reading twice.

The means prepare the end, and the end is what the means have made of it.

The political spirit is the great force in throwing the love of truth and accurate reasoning into a secondary place.

The next great task of science is to create a religion for humanity.

You have not converted a man, because you have silenced him.

The essence of a quote is the compression of a mass of thought and observation into a single saying.