All life is an experiment. The more experiments you make the better.
Nobody can bring you peace but yourself.
Nature always wears the colors of the spirit.
Do not go where the path may lead, go instead where there is no path and leave a trail.
Grief is the price we pay for love.
True patriotism doesn’t exclude an understanding of the patriotism of others.
It has always been easy to hate and destroy. To build and to cherish is much more difficult.
When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for a better future.
Good memories are our second chance at happiness.
The only way to have a friend is to be one.
I have to be seen to be believed.
I always pass on good advice. It is the only thing to do with it. It is never of any use to oneself.
Astronomy compels the soul to look upwards and leads us from this world to another.
Thinking: the talking of the soul with itself.
Seriousness is the only refuge of the shallow.
I suppose society is wonderfully delightful. To be in it is merely a bore. But to be out of it is simply a tragedy.
I sometimes think that God in creating man somewhat overestimated his ability.
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.
The direction in which education starts a man will determine his future in life.
Love is the joy of the good, the wonder of the wise, the amazement of the Gods.
And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul.
Knowledge becomes evil if the aim be not virtuous.
Knowledge is true opinion.
Honesty is for the most part less profitable than dishonesty.