Imposter Alert: Words of Encouragement for Self-Doubters

I recently read part of a letter that Tolkien wrote. He had imposter syndrome (the feeling that you’re an imposter, a fake, a fraud. Never good enough, no matter how much success you have under your belt.) What are some good ways to deal with that feeling? I’m seriously asking for myself, because most of the time, I feel clueless, like I’m just making this all up as I go along and that at any moment someone is going to reveal the man behind the curtain and I’ll lose everything.

Here are a...