最好的肥料是农民在田间的身影。
The best fertilizer is the farmer's shadow in the field.
Great leaders are willing to sacrifice their own interests for the good of the team.
Sustainability isn't an option; it's a responsibility we owe to future generations.
一本好书的标准在于它能让读者感到不安的程度。
译文：连续地打仗，百姓就会感到劳苦；长期打仗，士兵就会感到疲惫。