No mortal can keep a secret. If the lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.
Man has the power to act as his own destroyer - and that is the way he has acted through most of his history.
To live alone is the fate of all great souls.
Progress of mankind is progress of mind and intellect.
It is no measure of health to be well adjusted to a profoundly sick society.
We need more light about each other. Light creates understanding, understanding creates love, love creates patience, and patience creates unity.
Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism.
Example is not the main thing in influencing others. It is the only thing.
I just invent, then wait until man comes around to needing what I've invented.
Private passions tire and exhaust themselves, public ones never.
A man's first care should be to avoid the reproaches of his own heart.
I've learned that you can tell a lot about a person by the way (s)he handles these three things: a rainy day, lost luggage, and tangled Christmas tree lights.
Anyone who says he can see through women is missing a lot.
Men always talk about the most important things to perfect strangers.
Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.
A man is great by deeds, not by birth.
A man has to learn that he cannot command things, but that he can command himself; that he cannot coerce the wills of others, but that he can mold and master his own will: and things serve him who serves Truth; people seek guidance of him who is master of himself.
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
Cultivation of mind should be the ultimate aim of human existence.
The U.S. Census Bureau acknowledged this fact when it reported that those with a bachelor's degree earn on average $1 million more over their lifetime than those with only a high school diploma.