An idea that is developed and put into action is more important than an idea that exists only as an idea.
Don't only practice your art, but force your way into its secrets; art deserves that, for it and knowledge can raise man to the Divine.
Wax on, wax off.
We will not learn theory well unless we have been practicing it.
Virtue is not simply theoretical knowledge, but it is practical application as well.
Practice isn't the thing you do once you're good. It's the thing you do that makes you good.
The Stoics saw philosophy not as a set of beliefs but as a practice — something you do every day.