I love them too and have a lot of "quotation" books. I ahve a load of favorites but here are the two that influence me personally more than any others:

If I laugh at any mortal thing, tis that I may not weep.
George Gordon (Lord Byron)

There is only what is. What should be never existed.
Leonard A. Schneider (the great stan-up philosopher, Lenny Bruce)

Spaw