物体的加速度与所受的合外力成正比，与物体的质量成反比。加速度的方向与合力的方向相同。
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
心有其理，理性对此一无所知。
The greatest gift you can give someone is your time and attention.
Cinema is a mirror by which we often see ourselves.
Sustainability is not an option; it’s a responsibility.
我并不完美，但我努力做到最好。
In the old world， you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world， that inverts.