位置测量越精确，动量测量就越不精确，反之亦然。

Exceed your customers' expectations. If you do, they'll come back over and over. Give them what they want — and a little more.

Writing is not just about telling stories; it's about uncovering the hidden layers of truth.

Charity:a thing that begins at home,and usually stays there.

天有多高，地有多厚，通过实践才能得知。荀子强调实际行动，而非“坐而论道”。在自强不息的行动中，才能获得真知，发掘自己未知的潜能。