"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

贪心不知足易招侮辱，不如节俭而守廉洁之气。求取功名而冒犯节义，不如节俭而成全节义。巧取豪夺而致积怨，不如节俭而养心性。放纵自己满足欲望，不如节俭而安定性情。

Every effort is for a better future.

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.