The blessed in the kingdom of heaven will see the punishments of the damned, in order that their bliss be more delightful for them.

We must love them both, those whose opinions we share and those whose opinions we reject, for both have labored in the search for truth, and both have helped us in finding it.

Fear is such a powerful emotion for humans that when we allow it to take us over, it drives compassion right out of our hearts.

The soul, which is the first principle of life, is not a body, but the act of a body; just as heat, which is the principle of calefaction, is not a body, but an act of a body.

The greatest kindness one can render to any man consists in leading him from error to truth.

We should love others truly, for their own sakes rather than our own.

If forgers and malefactors are put to death by the secular power, there is much more reason for excommunicating and even putting to death one convicted of heresy.