Quotes by Greatest Wisdom There are cases in which the greatest daring is the greatest wisdom. Carl von Clausewitz greatest-wisdom daring cases Knowing thyself, that is the greatest wisdom. Galileo Galilei greatest-wisdom thyself knowing The greatest wisdom is to get to know oneself. Galileo Galilei knowing-oneself greatest-wisdom oneself The greatest wisdom doesn't know itself. The richest plan is not to have one. Louise Erdrich greatest-wisdom plans knows