Gelassenheit is a German word meaning 'serenity,' 'letting go,' 'humility.' It's the foundation of all Amish life.
What It Means
Don't fight what you can't change. Accept setbacks without anger. Don't elevate yourself above others. Community over individual. The future is in God's hands, not yours.
In Practice
An Amish person doesn't boast about achievements. Doesn't sign furniture they made. Doesn't take photos (to avoid vanity). Doesn't sue — forgives. Doesn't accumulate more than needed.
Against Modern Culture
Modern world says: stand out, be better, win, take everything. The Amish say: be part of the whole, don't stand out, serve others, be content with what you have.
What You Can Adopt
Don't fight traffic — accept it. Don't rage at weather — adapt. Don't envy others' success — appreciate your own. Sounds simple. In practice — one of the hardest things there is.