An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
You are braver than you believe, stronger than you seem, and smarter than you think.
Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.
Be realistic: Plan for a miracle
Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.
Those who dance are considered insane by those who cannot hear the music.
Stupidity is a talent for misconception.
We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.
There's no sense in being precise when you don't even know what you're talking about.
Nobody has the power to take two steps together; you can take only one step at a time.
The weak can never forgive. Forgiveness is the attribute of the strong.
Only idiots refuse to change their minds.
Blessed are they who hunger and thirst for righteousness for they shall be satisfied.
Moderation in temper is always a virtue; but moderation in principle is always a vice.
The most certain sign of wisdom is cheerfulness.
To be wronged is nothing unless you continue to remember it.
There are no eternal facts, as there are no absolute truths.
If I speak of myself in different ways, that is because I look at myself in different ways.
Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.
Never do anything when you are in a temper, for you will do everything wrong.
Do not say a little in many words, but a great deal in few!