It is no sin to look at a nice girl.

Human love serves to love those dear to us but to love one's enemies we need divine love.

Can it be that I have overlooked something, that there is something which I have failed to understand? Is it not possible that this state of despair is common to everyone?

A battle is won by him who is firmly resolved to win it.

I imagine, joking apart, that to know love, one must make mistakes and then correct them.

Do not be sad about what you do not have. Instead, be happy about what you do have. If you will be sad about what you don't have, you will not be happy about what you do have.

Every time I tried to express my most heartfelt desires to be morally good I met with contempt and ridicule; and as soon as I would give in to vile passions I was praised and encouraged. Ambition, love of power, self-interest, lechery, pride, anger, vengeance-all of it was highly esteemed.