True innovation comes from a deep understanding of user needs.
Suffering can destroy a person, but it can also shape them.
The best way to untangle a knotty tangle is not to “untie” the knots, but to keep pulling the loops apart wider and wider. Just make the mess as big, loose and open as possible. As you open up the knots they will unravel themselves. Works on cords, strings, hoses, yarns, or electronic cables.
控制的挑战在于在存在不确定性的情况下使系统工作。