People demand freedom of speech as a compensation for the freedom of thought which they seldom use.
The whole universe is contained within a single human being – you.
We need more light about each other. Light creates understanding, understanding creates love, love creates patience, and patience creates unity.
The highest forms of understanding we can achieve are laughter and human compassion.
A man's first care should be to avoid the reproaches of his own heart.
Private passions tire and exhaust themselves, public ones never.
I measure the progress of a community by the degree of progress which women have achieved.
As far as I knew white women were never lonely, except in books. White men adored them, Black men desired them and Black women worked for them.
That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.
Stupid men are often capable of things the clever would not dare to contemplate...
The first time someone shows you who they are, believe them.
Great men are like eagles, and build their nest on some lofty solitude.
I just invent, then wait until man comes around to needing what I've invented.
Humans are not proud of their ancestors, and rarely invite them round to dinner.
Man has the power to act as his own destroyer - and that is the way he has acted through most of his history.
All sins are attempts to fill voids.
Sickness is mankind's greatest defect.
The greatest attitude of all is gratitude.
Cultivation of mind should be the ultimate aim of human existence.
Sometimes our light goes out, but is blown again into instant flame by an encounter with another human being.
A man is great by deeds, not by birth.