To find fault is easy; to do better may be difficult.
Plutarch
Teach me to feel another's woe, to hide the fault I see, that mercy I to others show, that mercy show to me.
Alexander Pope
Never find fault with the absent.
The pretended admission of a fault on our part creates an excellent impression.
Quintilian
Quarrels would not last long if the fault was only on one side.
Francois de La Rochefoucauld
Timidity is a fault for which it is dangerous to reprove persons whom we wish to correct of it.
I'm not conceited. Conceit is a fault and I have no faults.
David Lee Roth
And oftentimes excusing of a fault doth make the fault the worse by the excuse.
William Shakespeare
It wasn't about the money. I just wanted them to admit it was their fault.
Barry Sheene
Only nature knows how to justly proportion to the fault the punishment it deserves.
Percy Bysshe Shelley