• Eat bitter, taste sweet," Frank said. "I hate that proverb." "But it's true. What do they call it these days---no pain, no gain? Same concept. You do the easy thing, the appealing thing, the peaceful thing, mostly it turns out sour in the end. But if you take the hard path---ah, that's how you reap the sweet rewards. Duty. Sacrifice. They mean something.

    Rick Riordan (2011). “The Son of Neptune (Heroes of Olympus Book 2)”, p.270, Penguin UK