"Man must not demolish, but build; he must raise temples where mankind may come and partake of the purest pleasure."—Goethe

"We all shine on, like the moon and the stars and the sun."—John Lennon, "Instant Karma!"

"Always changing; everything for good, nothing for nothing."—Flying Hawk, Sioux Chief

"We aim above the mark to hit the mark."—R.W. Emerson

A couple of nice quotations:

"Not knowing when the dawn will come, I open every door."—Emily Dickinson

"Our life is what our thoughts make it."—Marcus Aurelius