All is not golde that outward shewith bright.
Notes from Wikiquote
"All that glitters is not gold." Cf. Alain de Lille
Harde to likke hony out of a marbil stoon,
For ther is nouthir licour nor moisture.
The wheel of Fortune tourneth as a ball;
Sodeyn clymbyng axeth a sodeyn fall.
Quote text and notes from Wikiquote: John Lydgate (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.