Ar-Rashid
The Righteous Teacher

We shall teach thee,
and thou wilt not forget aught of what thou art taught,
save what God may will thee to forget --
for verily, He alone knows all that is open to man's perception as well as all that is hidden from it --
and thus shall We make easy for thee
the path towards ultimate ease.
Al-A'la 87:7-8, tr. Asad

God turns you from one feeling to another
and teaches by means of opposites,
so that you will have two wings to fly,
not one.
Rumi, Mathnawi II:1552, 1554, tr. Helminski