Everyone is so caught up in his own passions and interests that he always wants to talk about them without getting involved in the passions and interests of those to whom he speaks, although his listeners have the same need for others to listen to and help them.

Self-love is almost always the ruling principle of our friendships. It makes us avoid all our obligations in unprofitable situations, and even causes us to forget our hostility towards our enemies when they become powerful enough to help us achieve fame or fortune.

The shame that comes to us as we see ourselves praised when we are unworthy of it often gives us the occasion to accomplish things that we might never have achieved without such undeserved praise.

True merit does not depend on the times or on fashion. Those who have no other advantage than courtly manners lose it when they are away from court. But good sense, knowledge, and wisdom make their possessors knowledgeable and beloved in all ages and in all times.

There are many people who are so inclined to say "no" that the "no" always precedes whatever we say to them. This negative quality makes them so disagreeable that, even if they do what we want them to or agree with what we say, they always lose the pleasure that they might have received had they not started off so badly.

We often value the exterior and superficial aspect of things more than their inner reality. Bad manners taint everything even justice and reason. The 'how' of things matters most, and even the most disagreeable matters can be sweetened and gilded over with the proper appearance. Such is the bias and the weakness of the human mind.

Wealth does not teach us to transcend the desire for wealth. The possession of many goods does not bring the repose of not desiring them.