Hope is a great falsifier of truth.
True knowledge lies in knowing how to live.
Most do violence to their natural aptitude, and thus attain superiority in nothing.
Put a grain of boldness into everything you do.
No' and 'Yes' are words quickly said, but they need a great amount of thought before you utter them.
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.]