我已经学会通过限制欲望来寻求幸福，而不是试图满足它们。
I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.
The hardest challenges often lead to the greatest breakthroughs.
【释义】经过多年努力也还不够，一旦毁坏却十分彻底。
The greatest breakthroughs come from those who refuse to give up.
The future of leather tanning lies in balancing tradition with technology.
我不和别人竞争，我和自己竞争。