Safety must remain our top priority in every operation, every day.
安全必须始终是我们每天每项操作的首要任务。
数学中最伟大的发现是那些统一看似无关思想的发现。
Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.
任何形式的美,在其极致的发展中,总是会激起敏感的灵魂流泪。