It is by disease that health is pleasant; by evil that good is pleasant; by hunger, satiety; by weariness, rest.
HeraclitusThere is nothing permanent except change. Nothing is permanent except change. The only constant is change. Change is the only constant. Change alone is unchanging.
HeraclitusThere is nothing permanent except change. [Therefore enjoy what good you have while you have it and endure and outlast what bad you can't cure immediately]
Heraclitus