Years may wrinkle the skin, but to give up enthusiasm wrinkles the soul. Worry, fear, self-distrust bows the heart and turns the spring back to dust.

• 岁月悠悠，衰微只及肌;热忱抛却，颓废必致灵魂。忧类、惶恐、丧失自信，定使心灵扭曲，意气如灰。