Pain is the evil twin of pleasure.

One joy is worth more than ten thousand pleasures.

Seeking knowledge is better than seeking pleasure.

Pain is a better teacher than pleasure.

Pain that heals is better than pleasure that kills.

Pain allows you to appreciate pleasure.

To appreciate pleasure, someone had to experience pain; to appreciate joy, some had to experience sorrow; to appreciate love, some had to experience heartache; to appreciate freedom, some had to experience fear.

Pleasure awakens the body, wisdom awakens the mind, joy awakens the heart, and love awakens the soul.

To be happy: the simple pursue pleasure, the common pursue riches, the uncommon pursue knowledge, and the exceptional pursue wisdom.