数学的研究是所有智力和精神进步不可或缺的基础。

知识越少越准确，知识越多，疑惑也就越多。

释义：只有内心平和、沉稳，智慧深邃且勇敢沉着，才能成就伟大的事业。

For attractive lips, speak words of kindness.

Tell your heart that the fear of suffering is worse than the suffering itself. And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity.

每个人心中都有一张地图，这张地图是由他们的经历绘制的。