There is no pain so great as the memory of joy in present grief.
Alas for the affairs of men! When they are fortunate you might compare them to a shadow; and if they are unfortunate, a wet sponge with one dash wipes the picture away.
Do not kick against the pricks.
For know that no one is free, except Zeus.
Sweet is a grief well ended.
There is advantage in the wisdom won from pain.