The market is a great teacher, but it charges a high tuition.
矿工的技能和奉献精神与他们带到地面的煤炭一样宝贵。
Learning is not simply the accumulation of knowledge but the transformation of understanding.
"Books are mirrors: you only see in them what you already have inside you."
I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.
心灵是自己的地方，在那里可以把地狱变成天堂，把天堂变成地狱。
The beauty of organic catalysts lies in their diversity and adaptability.
夏天的飞鸟，飞到我窗前唱歌，又飞去了。秋天的黄叶，他们没有什麽可唱的，只是叹息一声，飞落在那里。
"Books are the bridges that connect us to the unknown."