A nice list of programming quotations: http://www.linfo.org/q_programming.html. A good read.
I like these:
C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do, it blows away your whole leg. — Bjarne Stroustrup
Managing programmers is like herding cats. — unknown
Simplicity is prerequisite for reliability. — Edsger Dijkstra