The happiness of your life depends upon the quality of your thoughts.
Who looks outside, dreams; who looks inside, awakes.
One does not become enlightened by imagining figures of light, but by making the darkness conscious.
As far as we can discern, the sole purpose of human existence is to kindle a light in the darkness of mere being.
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.
Loneliness does not come from having no people about one, but from being unable to communicate the things that seem important to oneself.
There is no coming to consciousness without pain.
The decisive question for man is: Is he related to something infinite or not? That is the telling question of his life.
We should not pretend to understand the world only by the intellect; we apprehend it just as much by feeling. Therefore the judgment of the intellect is, at best, only a half-truth.
If you go to thinking, take your heart with you. If you go to love, take your head with you. Love is empty without thinking, thinking hollow without love.
Knowing your own darkness is the best method for dealing with the darknesses of other people.
The debt we owe to the play of imagination is incalculable.
The only true wisdom is in knowing you know nothing.
An unexamined life is not worth living.
I cannot teach anybody anything. I can only make them think.
I do not think much of a man who is not wiser today than he was yesterday.
Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
I am indebted to my father for living, but to my teacher for living well.
As I grow older, I pay less attention to what men say. I just watch what they do.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
Knowing yourself is the beginning of all wisdom.
Educating the mind without educating the heart is no education at all.
Patience is bitter, but its fruit is sweet.
The more you know, the more you realize you don't know.
Early to bed and early to rise makes a man healthy, wealthy, and wise.
The intelligent investor is a realist who sells to optimists and buys from pessimists.
I praise loudly. I blame softly.
I am one of the people who love the why of things.
For to tempt and to be tempted are things very nearly allied.
The more a man knows, the more he forgives.
Spend each day trying to be a little wiser than you were when you woke up.
To the man with only a hammer, every problem looks like a nail.
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be very intelligent.
Knowing what you don't know is more useful than being brilliant.
Invert, always invert.
Take a simple idea and take it seriously.
You don't have to be brilliant, only a little bit wiser than the other guys, on average, for a long, long time.
Real knowledge is to know the extent of one's ignorance.
Before you embark on a journey of revenge, dig two graves.
Everything has beauty, but not everyone sees it.
He who learns but does not think, is lost. He who thinks but does not learn is in great danger.
Never tell anyone what you're going to do till you've done it.
Make the best use of what is in your power, and take the rest as it happens.
Only the educated are free.
Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.
It is impossible to live a pleasant life without living wisely and well and justly.
Be moderate in order to taste the joys of life in abundance.
We shall not grow wiser before we learn that much that we have done was very foolish.
Three things cannot be long hidden: the sun, the moon, and the truth.
You will not be punished for your anger; you will be punished by your anger.