Don't wait for someone else to validate you. Validate yourself.

It’s not the writing part that’s hard. What’s hard is sitting down to write.

These scars on my body,” Alexander declared, “were got for you, my brothers. Every wound, as you see, is in the front. Let that man stand forth from your ranks who has bled more than I, or endured more than I for your sake. Show him to me, and I will yield to your weariness and go home.” Not a man came forward. Instead, a great cheer arose from the army. The men begged their king to forgive them for their want of spirit and pleaded with him only to lead them forward.

The hero wanders, the hero suffers, the hero returns. You are that hero.

A child has no trouble believing the unbelievable, nor does the genius or the madman. It’s only you and I, with our big brains and our tiny hearts, who doubt and overthink and hesitate.

For what can be more noble than to slay oneself? Not literally. Not with a blade in the guts. But to extinguish the selfish self within, that part which looks only to its own preservation, to save its own skin. That, I saw, was the victory you Spartans had gained over yourselves. That was the glue. It was what you had learned and it made me stay, to learn it too.

You don't need to take a course or buy a product. All you have to do is change your mind.