It means integrity. God will see you again. The moral of Laozi is that you should do everything with your heart and be kind and upright.

Related sentences are:

1, the snow is loose and loose. You should know that pine trees are noble and noble before melting. -Chen Yi

2. A gentleman acts aboveboard, such as Jiao Ran. -The Book of Jin

3, everything is straightforward, despicable people stay at a respectful distance from sb. Blake

4, but stand up straight, there is no shadow. -"Old Tang Book"

5. Serious working attitude and high integrity form a balance between freedom and order. -romain rolland

6, your heart is arrogant, regular and not private. —— Ouyang Xiu

7. Not straightforward, but difficult to make good use of; It is not difficult to use straightness, but it is difficult to cultivate straightness. Kun Lv

8. Merit is greater than doing evil for good, and sin is greater than doing good for evil. -Jia Yi