You fast, but Satan does not eat. You labor fervently, but Satan never sleeps. The only dimension with which you can outperform Satan is by acquiring humility, for Satan has no humility. Moses the Black
when we gaze in unbounded admiration on that ineffable mercy of His, which with unwearied patience endures countless sins which are every moment being committed under His very eyes, or the call with which from no antecedent merits of ours, but by the free grace of His pity He receives us. John Cassian
The moment a little boy is concerned with which is a jay and which is a sparrow, he can no longer see the birds or hear them sing. Eric Berne
A dying man discovers the honesty with which he was born. Japanese Proverb
He even begrudges the water with which he washes. Latin Proverb
The heart has arguments with which the understanding is unacquainted. American Proverb