物品总是被携带、出售、交换、偷窃、找回和丢失。人们总是把东西送给别人。
Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.
模糊逻辑是一种通过让机器能够处理不确定性和不精确性来使其更加智能的方法。
All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.
A proof is a device for convincing someone else that a mathematical statement is true.