All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.
It is with our passions, as it is with fire and water, they are good servants but bad masters.
The holy passion of Friendship is of so sweet and steady and loyal and enduring a nature that it will last through a whole lifetime, if not asked to lend money.
Of all the creatures that were made, man is the most detestable. Of the entire brood he is the only one - the solitary one - that possesses malice. That is the basest of all instincts, passions, vices - the most hateful. He is the only creature that has pain for sport, knowing it to be pain. Also - in all the list he is the only creature that has a nasty mind.