It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.
The smaller the mind, the greater the conceit.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
Boredom is the root of all evil - the despairing refusal to be oneself.
Let there be spaces in your togetherness.
Instinct is a marvellous thing. It can neither be explained nor ignored.
Be curious, not judgmental.
If you're happy, don't worry you'll get over it.
The ultimate authority must always rest with the individual's own reason and critical analysis.
A crust eaten in peace is better than a banquet partaken in anxiety.
Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.
Circumstances do not make a man, they reveal him.
There is geometry in the humming of the strings. There is music in the spacing of the spheres.
Don't raise your voice, improve your argument.
It is not enough to have a good mind; the main thing is to use it well.
Rest satisfied with doing well, and leave others to talk of you as they please.
Man is not the creature of circumstances, Circumstances are the creatures of men.
Desire is the very essence of man.
Admiration is the daughter of ignorance.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
Let him who would move the world first move himself.