Who is rich? One who is satisfied with his lot.
Who is wise? One who learns from every man. As is stated (Psalms 119:99): "From all my teachers I have grown wise, for Your testimonials are my meditation."
Who is strong? One who overpowers his inclinations. As is stated (Proverbs 16:32), "Better one who is slow to anger than one with might, one who rules his spirit than the captor of a city."