What we have to learn to do, we learn by doing.

Aristotle
Profession: Philosopher
Nationality: Greek
Some suggestions for you :
Where the needs of the world and your talents cross, there lies your vocation.
Happiness is an expression of the soul in considered actions.
A constitution is the arrangement of magistracies in a state.
Accordingly, the poet should prefer probable impossibilities to improbable possibilities.
He who is a citizen in a democracy will often not be a citizen in an oligarchy.
It is possible to fail in many ways...while to succeed is possible only in one way.
Our judgments when we are pleased and friendly are not the same as when we are pained and hostile.