Change in all things is sweet.

Aristotle
Profession: Philosopher
Nationality: Greek

Some suggestions for you :
Men were first led to the study of philosophy, as indeed they are today, by wonder.
Pleasure causes us to do base actions and pain causes us to abstain from doing noble actions.
Dignity does not consist in possessing honors, but in deserving them.
Comedy aims at representing men as worse, Tragedy as better than in actual life.