Of the delights of this world man cares most for sexual intercourse, yet he has left it out of his heaven.
Adversity has ever been considered the state in which a man most easily becomes acquainted with himself.
Telling the future by looking at the past assumes that conditions remain constant. This is like driving a car by looking in the rearview mirror.
He that will not apply new remedies must expect new evils; for time is the greatest innovator.
Do not believe in anything simply because you have heard it. Do not believe in anything simply because it is spoken and rumored by many. Do not believe in anything simply because it is found written in your religious books. Do not believe in anything merely on the authority of
It is the theory that decides what we can observe.
Egotism is the anesthetic that dulls the pain of stupidity.
The meek shall inherit the Earth, but not its mineral rights.