I don't have a favorite, but seeing as I love philosophy I'll share some of my favorites.
Learning consists of daily accumulating. The practice of the Tao consists of daily diminishing; decreasing and decreasing, until doing nothing. When nothing is done, nothing is left undone.
The greatest perfection seems imperfect, and yet its use is inexhaustible. The greatest fullness seems empty, yet its use is endless.
Bad fortune is what good fortune leans on; good fortune is what bad fortune hides in. Who knows the ultimate end to this process? Is there norm of right? Yet what is normal soon becomes abnormal; people's confusion is indeed long standing.
I don't have a favorite proverb I don't think, but I really like Proverbs 31... Gives lots of guidance as far as what to look for... Add in that she must loves guns and you've got the perfect woman!