You shall not fold your wings that you may pass through doors, nor bend your heads that they strike not against a ceiling, nor fear to breathe lest walls should crack and fall down.

不要为了穿过门而收拢翅膀，不要为了避开天花板而低下头，也不要因为怕墙壁开裂倒塌，便不敢呼吸。