Rich gifts wax poor when givers prove unkind. >>
Suspicion always haunts the guilty mind; the thief doth fear each bush >>
Who can be patient in extremes? [Henry Vi] >>
Doubt is the key to knowledge. >>
There was a castle called Doubting Castle, the owner whereof was Giant >>
There is no despair so absolute as that which comes with the first mom >>
Our doubts are traitors and make us lose the good we might win, by fearing to attempt.[Measure For Measure]