Train people well enough so they can leave, treat them well enough so they don't want to.
The concept of loss aversion explains why we often prefer avoiding losses over acquiring gains.
Success is not final, failure is not fatal: it is the courage to continue that counts.
"The world is a fine place and worth the fighting for."
"Life is a series of moments, each one a story waiting to be told."
Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.