数学是理性的音乐。
Mathematics is the music of reason.
Mathematics is the language in which God has written the universe.
我们鱼类的健康反映了我们水域的健康,它们是不可分割的。
我们必须记住过去,才能更好地面对未来。
Collaboration is key—governments, businesses, and communities must work together for sustainable forests.