Don't laugh when you sweat and pour mud, and don't be surprised when you reap fruitful results.
solution
Time will wash away all the sand, but now everything is for the flowers that will cover the ground in the future. Water hard with sweat, don't smile, and don't be surprised to bear fruitful results in the future.
Time flows in the waves, and planting flowers without thorns is a sign:
This lesson tells us that when we see the hardships of others, we should be alert. Everyone else is working hard, how can we slack off?