I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.

The more you give, the more you get.

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。