Quotes about Ethics

Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.

Mercy without justice is the mother of dissolution; justice without mercy is cruelty.

It is not theft, properly speaking, to take secretly and use another's property in a case of extreme need: because that which he takes for the support of his life becomes his own property by reason of that need

It must be said that charity can, in no way, exist along with mortal sin.

He who is not angry when there is just cause for anger is immoral. Why? Because anger looks to the good of justice. And if you can live amid injustice without anger, you are immoral as well as unjust.

justice without mercy is cruelty; mercy without justice is dissolution.

If, then, the final happiness of man does not consist in those exterior advantages which are called goods of fortune, nor in goods of the body, nor in goods of the soul in its sentient part, nor in the virtues of practical intellect, called art and prudence, it remains that the final happiness of man consists in the contemplation of truth.

The Philosopher, too, says of the wicked (Ethic. ix, 4) that "their soul is divided against itself . . . one part pulls this way, another that"; and afterwards he concludes, saying: "If wickedness makes a man so miserable, he should strain every nerve to avoid vice.

the intention of every man acting according to virtue is to follow the rule of reason, wherefore the intention of all the virtues is directed to the same end, so that all the virtues are connected together in the right reason of things to be done, viz. prudence,

Now in matters of action the reason directs all things in view of the end:

We should eliminate sin if we wish to eliminate the scourge of tyrants.

I answer that, Every being, as being, is good. For all being, as being, has actuality and is in some way perfect; since every act implies some sort of perfection; and perfection implies desirability and goodness, as is clear from A[1]. Hence it follows that every being as such is good.