He that has satisfied his thirst turns his back on the well.

Keep expectation alive. Keep stirring it up. Let much promise more, and great deeds herald greater.

Many would be wise if they did not think themselves wise.

Do not show your wounded finger for everything will knock up against it.

There is none who cannot teach somebody something, and there is none so excellent but he is excelled.

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.]

The sole advantage of power is that you can do more good.