One can say this in general of men: they are ungrateful, disloyal, insincere and deceitful, timid of danger and avid of profit...Love is a bond of obligation that these miserable creatures break whenever it suits them to do so; but fear holds them fast by a dread of punishment that never passes.
Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.
If a man continually blusters, if he lacks civility, a big stick will not save him from trouble, and neither will speaking softly avail, if back of the softness there does not lie strength, power.
Man is the will, and woman the sentiment. In this ship of humanity, Will is the rudder, and Sentiment the sail; when woman affects to steer, the rudder is only a masked sail.
Be like a solid tower whose brave height remains unmoved by all the winds that blow; the man who lets his thoughts be turned aside by one thing or another, will lose sight of his true goal, his mind sapped of its strength.
The age of puberty is a crisis in the age of man worth studying. It is the passage from the unconscious to the conscious; from thesleep of passions to their rage.
Although not a very old man, I have yet lived a great deal in my life, and I have known sorrow too bitter and joy too keen to allow me to become either cast down or elated for more than a very brief period over any success or defeat.