如果物体处于静止状态或作匀速直线运动，只要没有外力作用，物体将保持静止状态或匀速直线运动状态。

Change is not made without inconvenience, even from worse to better.

If memories had a smell, it would be the fragrance of camphor, sweet and secure, like clearly remembered happiness, sweet and melancholy, like forgotten sorrow.

永远不要停止学习，因为生活永远不会停止教导。