Of all the senseless babble I have ever had occasion to read, the demonstrations of these philosophers who undertake to tell us all about the nature of God would be the worst, if they were not surpassed by the still greater absurdities of the philosophers who try to prove that there is no God.

Within the last fifty years, the extraordinary growth of every department of physical science has spread among us mental food of so nutritious and stimulating a character that a new ecdysis seems imminent.

Man's Place in Nature.

The more rapidly truth is spread among mankind the better it will be for them. Only let us be sure that it is the truth.

It is far better for a man to go wrong in freedom than to go right in chains.

If there is anything in the world which I do firmly believe in, it is the universal validity of the law of causation.

The thief and the murderer follow nature just as much as the philanthropist.