The doctrine that all men are, in any sense, or have been, at any time, free and equal, is an utterly baseless fiction.

We are prone to see what lies behind our eyes, rather than what apprears before them.

Time, whose tooth gnaws away everything else, is powerless against truth.

In scientific work, those who refuse to go beyond fact rarely get as far as fact.

Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.

Give unqualified assent to no propositions but those the truth of which is so clear and distinct that they cannot be doubted. The enunciation of this first great commandment of science consecrated doubt.

Let us have "sweet girl graduates" by all means. They will be none the less sweet for a little wisdom; and the "golden hair" will not curl less gracefully outside the head by reason of there being brains within.