Who said "A leader must see what others cannot yet perceive."?

This quote is attributed to Themistocles.

A leader must see what others cannot yet perceive. - Themistocles

"A leader must see what others cannot yet perceive."

Themistocles

Statesman General Ancient Greece 524–460

"A man is not finished when he is defeated. He is finished when he quits."

"The victor will not be asked afterwards whether he told the truth."

"Persuasion is a far more powerful weapon than force."

"Do not despise the enemy that is down, for fortune is fickle."