唱歌不仅仅是唱准音符，更是传递触动灵魂的情感。

The best fertilizer for any farm is the footsteps of the farmer.

科学中最重要的不是获得新的事实，而是发现新的思考方式。

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

语言是心灵的声音，而沉默是它的回响。