The best way to tell if your speech is going to go well is to give your speech.

The best way to find out if your new product has market appeal is to try to sell it.

The best way to become a teacher is to teach.

There’s a huge need for study, refinement and revision. No question about it.

http://sethgodin.typepad.com/seths_blog/2015/10/first-interact.html

–
Tony Tam