Pythagoras

Pythagoras of Samos (c. 570 – c. 495 BC) ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism. 

Salt is born of the purest parents: the sun and the sea.
Reason is immortal, all else mortal.
most men and women, by birth or nature, lack the means to advance in wealth or power, but all have the ability to advance in knowledge.
Above the cloud with its shadow is the star with its light.
As long as men massacre animals, they will kill each other. Indeed, he who sows the seeds of murder and pain cannot reap the joy of love.
Above all things, respect yourself.
Let no one persuade you by word or deed to do or say whatever is not best for you.
Choose rather to be strong of soul than strong of body.
Silence is better than unmeaning words.
No man is free who cannot control himself.
A man is never as big as when he is on his knees to help a child.
The oldest, shortest words— "yes" and "no"— are those which require the most thought.
In anger we should refrain both from speech and action.
Rest satisfied with doing well, and leave others to talk of you as they please.
Do not say a little in many words, but a great deal in few!
There is geometry in the humming of the strings. There is music in the spacing of the spheres.
Educate the children and it won't be necessary to punish the men.
No one is free who has not obtained the empire of himself. No man is free who cannot command himself.
If there be light, then there is darkness; if cold, heat; if height, depth; if solid, fluid; if hard, soft; if rough, smooth; if calm, tempest; if prosperity, adversity; if life, death.
Be silent or let thy words be worth more than silence.
As long as Man continues to be the ruthless destroyer of lower living beings, he will never know health or peace. For as long as men massacre animals, they will kill each other. Indeed, he who sows the seed of murder and pain cannot reap joy and love.
Study everything, and put intellect first.
This is the divine law of life: that only virtue stands firm. All the rest is nothing.
Do not allow your children to kill insects; this is the first step along a road which can lead to the killing of people.