The man who knows it can't be done counts the risk, not the reward.
Orthodoxy: That peculiar condition where the patient can neither eliminate an old idea nor absorb a new one.
A goal without a plan is a dream.
A conservative is a man who is too cowardly to fight and too fat to run.
One can play comedy, two are required for melodrama, but a tragedy demands three.
It is always the nearest, plainest and simplest principles that learned men comprehend last.