one should have two consciousnesses: one is to be brave in starting from scratch, and the other is to be content with unfinished business.

2. Good character and self-discipline will bring you the life you want.

3. A life of doing one's best is far more beautiful than a life of doing everything. Those who have never done one's best will never feel that they have done their best.

4. Laziness, like rust, consumes people more than hard work. Keys that are often used are always shiny.