Because of the diverse conditions of humans, it happens that some acts are virtuous to some people, as appropriate and suitable to them, while the same acts are immoral for others, as inappropriate to them.
Thomas AquinasGod himself would not permit evil in this world if good did not come of it for the benefit and harmony of the universe.
Thomas AquinasWonder was the motive that led people to philosophy ... wonder is a kind of desire in knowledge. It is the cause of delight because it carries with it the hope of discovery.
Thomas Aquinas