Free vaccines are more valuable than expensive treatments, yet harder to promote.

The soul becomes dyed with the color of its thoughts.

渔业领导力意味着在经济增长与生态保护之间取得平衡。

伟大的哲学家是真理的伟大爱好者。

The only way to do great work is to love what you do.

平凡中也有一种美，只要你愿意花时间去发现。