Rejection is hard. You'd think after a while you'd get better equipped at dealing with it, and I suppose that you do. But it's still hard reading "Thank you for sharing your work with me. Unfortunately, your style is not one that I can use at this time," or "I'm not taking on new artists this year." And those are the ones you actually know about.
But rejection is inevitable in this competitive industry, and when it comes knocking at my door, I pick myself up, dust myself off, and keep plugging away. Evenutally, there will be an agent, or an art director out there who thinks "Aha! Just what I was looking for."
So until then, here are a few quotes that keep me inspired:
An artist cannot fail; it is a success to be one. ~Charles Horton Cooley
Our greatest glory is not in never failing, but in rising up every time we fail. ~Ralph Waldo Emerson