The trouble with most folks isn't their ignorance. It's knowin' so many things that ain't so.
Error will slip through a crack, while truth will stick in a doorway.
Silence never makes any blunders.
It is not much trouble to doctor sick folks, but to doctor healthy ones is troublesome.
The unfortunate do not pity the unfortunate.
Men of genius are like eagles, they live on what they kill, while men of talents are like crows, they live on what has been killed for them.