The world is all the richer for having a devil in it, so long as we keep our foot upon his neck.
The ideas gained by men before they are twenty-five are practically the only ideas they shall have in their lives.
We never fully grasp the import of any true statement until we have a clear notion of what the opposite untrue statement would be.
Could the young but realize how soon they will become mere walking bundles of habits, they would give more heed to their conduct while in the plastic state.
Nothing is so fatiguing as the eternal hanging on of an uncompleted task.
Begin to be now what you will be hereafter.
Every man who possibly can should force himself to a holiday of a full month in a year, whether he feels like taking it or not.
To change ones life: Start immediately. Do it flamboyantly.
Action seems to follow feeling, but really action and feeling go together; and by regulating the action, which is under the more direct control of the will, we can indirectly regulate the feeling, which is not.
Is life worth living? It all depends on the liver.
Metaphysics means nothing but an unusually obstinate effort to think clearly.
If the grace of God miraculously operates, it probably operates through the subliminal door.
How to gain, how to keep, how to recover happiness is in fact for most men at all times the secret motive of all they do, and of all they are willing to endure.
Pessimism leads to weakness, optimism to power.
The greatest use of a life is to spend it on something that will outlast it.
To spend life for something which outlasts it.
To be a real philosopher all that is necessary is to hate some one else's type of thinking.
It is well for the world that in most of us, by the age of thirty, the character has set like plaster, and will never soften again.
Many people think they are thinking when they are merely rearranging their prejudices.
An idea, to be suggestive, must come to the individual with the force of revelation.
