Take time to deliberate, but when the time for action has arrived, stop thinking and go.
事前考虑清楚，可是一旦到了该行动的时候，就要毫不犹豫，放手一搏。
Curiosity is the driving force of science.
打开纠缠在一起的绳结的最好方法，不是要去「解开」绳结，而是要不断地把松动的部分拉得更宽。尽可能把那团乱麻弄大、弄松、弄开。当你打开绳结的时候，它们就会自行解开。这招适用于绳索、线、软管、毛线或者电线。
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.
Have a heart that never hardens, and a temper that never tires, and a touch that never hurts.
种树的最佳时间是二十年前，其次是现在。