Who said "The most profound truths are often the simplest."?

This quote is attributed to Pythagoras.

The most profound truths are often the simplest. - Pythagoras

"The most profound truths are often the simplest."

Pythagoras Truth

Mathematician/Philosopher Ancient Greek 570–495

"Choose silence of all virtues, for it is the ornament of the wise."

"A friend is a second self."

"Do not allow the deep to possess your mind, nor the heights to disturb your equanimity."

"Educate the children and it won't be necessary to punish the men."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."