Common sense is science exactly in so far as it fulfills the ideal of common sense; that is, sees facts as they are, or at any rate, without the distortion of prejudice, and reasons from them in accordance with the dictates of sound judgment. And science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic.

I would rather be the offspring of two apes than be a man and afraid to face the truth.

Mix salt and sand, and it shall puzzle the wisest of men, with his mere natural appliances, to separate all the grains of sand from all the grains of salt; but a shower of rain will effect the same object in ten minutes.

Rome is the one great spiritual organisation which is able to resist and must, as a matter of life and death, the progress of science and modern civilization

Whatever evil voices may rage, Science, secure among the powers that are eternal, will do her work and be blessed.

It is not who is right, but what is right, that is of importance.

The world is neither wise nor just, but it makes up for all its folly and injustice by being damnably sentimental.