"You may have to fight a battle more than once to win it."
This gives me courage. Instantly I feel myself covered in heavy armor swinging a long sword with fatigued muscles knowing it could be just moments before the battle is won and giving myself inner strength to endure.
When you're in that hard place of battle, don't focus on how tired you feel but look ahead to the bigger picture. Imagine winning the battle and it will be so.
In many ways sending query letters is like a battle. So when you get those rejects, smile knowing you can win the battle, it may just take one more submission.
What do you think? What encourages you to press on?