Who said "What we think, we become through constant practice."?

This quote is attributed to Pythagoras.

What we think, we become through constant practice. - Pythagoras

"What we think, we become through constant practice."

Pythagoras Wisdom

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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."