Every moment of the world is complete in itself.
世间的每一瞬间皆为圆满。
我不关注过去,我关注现在。
反馈是鲁棒控制系统的关键。
心灵不是被动的镜子,而是生活的积极参与者。
We are like travelers who have lost their way; we must ask, each one, for directions from a passerby.