Know how to choose well. Most of life depends thereon. It needs good taste and correct judgment, for which neither intellect nor study suffices.

The heaven of the envied is hell for the envious. [...because they focus on what they don't have rather than being grateful for what they have, which is always better than some others.]

Self-reflection is the school of wisdom.

Most do violence to their natural aptitude, and thus attain superiority in nothing.

The crutch of Time accomplishes more than the club of Hercules.

Never participate in the secrets of those above you; you think you share the fruit, and you share the stones - the confidence of a prince is not a grant, but a tax

It is better to sleep on things beforehand than lie awake about them afterwards.