All of life is peaks and valleys. Don't let the peaks get too high and the valleys too low.

Things turn out best for those who make the best of the way things turn out.

Things work out best for those who make the best of how things work out

I had mistakes, plenty, but I had no failures

Make the best of what you've got; play the cards you are dealt. Walt Disney once said, "There is no education like adversity." However, to gain this education you must be tough enough to overcome adversity rather than allowing adversity to overcome you.

Condition Your Team to Love the Struggle.

Sometime you can do everything right and still lose. It's all a journey. You do your best, and then you have to let it go. Lots of people preach that, but come crunch time—oops, not so easy to do.

You Can't Stop the Waves but You Can Learn to Surf

Everything can be taken from a human being but one thing: the last of the human freedoms — to choose one's attitude in any given set of circumstances, to choose one's own way.

It does provide a greater basket for tenderly holding and intimately knowing our suffering in any and all circumstances, and that, it turns out, is transformative, and can make all the difference between endless imprisonment in pain and suffering and freedom from suffering

L]ive life as if each moment was important, as if each moment counted and could be worked with, even if it was a moment of pain, sadness, despair, or fear. This work involves above all the regular, disciplined practice of moment-to-moment awareness or mindfulness, the complete owning of each moment of your experience, good, bad, or ugly. This is the essence of full catastrophe living.

Lewis encourages his cancer-stricken and temporarily depressed wife that uncertainty rather than hopelessness is our cross.