15
General ideas and great conceit are always in a fair way to bring about terrible misfortune.
16
You cannot play the flute by blowing alone: you must use your fingers.
17
In Botany there is a species of plants called Incompletæ; and just in the same way it can be said that there are men who are incomplete and imperfect. They are those whose desires and struggles are out of proportion to their actions and achievements.