Whatever accomplishment you boast of in the world, there is someone better than you. (African Proverb)
There are three things that a man must know to survive in this world: what is too much for him, what is too little, and what is just right. (African Proverb)
There are three friends in this world: courage, sense, and insight. (African Proverb)
Live patiently in the world; know that those who hate you are more numerous than those who love you. (African Proverb)