Witticisms or lacking wit?

There's an iPhone application called iQuote which is essentially a database of thousands of quotations from famous and intelligent people, and one by Angelina Jolie which I am surprisingly fond of:

If I think more about death than some other people, it's probably because I love life more than they do.

I think about death a lot, too. 

The software allows me to rate each quote, email them to myself and friends, and categorize them according to my need.

I know it sounds like a simple...