Are we happy that our grandchildren may never seen an elephant except in a picture book?
In many people it is already an impertinence to say 'I'.
It is no measure of health to be well adjusted to a profoundly sick society.
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
A human being is a deciding being.
Outstanding people have one thing in common: an absolute sense of mission
Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.
If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.
It was to carry the American democratic journey beyond these failings that Black citizens and civil rights workers risked unemployment, violence and death.
The highest forms of understanding we can achieve are laughter and human compassion.
All of humanity's problems stem from man's inability to sit quietly in a room alone.
Every man takes the limits of his own field of vision for the limits of the world.
Our true nationality is mankind.
The whole universe is contained within a single human being – you.
Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.
He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.
Men always talk about the most important things to perfect strangers.
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.
Ever more people today have the means to live, but no meaning to live for.
A man's first care should be to avoid the reproaches of his own heart.
Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.