cruelty to animals is contrary to man's duty to himself, because it deadens in him the feeling of sympathy for their sufferings, and thus a natural tendency that is very useful to morality in relation to other human beings is weakened.

***Three Conditions of Happiness*** If you have work to do If you have someone you love If You have hope Then You are Happy now!

Imagination is a powerful agent for creating, as it were, a second nature out of the material supplied to it by actual nature.

Reason should investigate its own parameters before declaring its omniscience.

Dare to know! Have the courage to use your own intelligence!

All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope?

Suicide is not abominable because God prohibits it; God prohibits it because it is abominable.