永远面向阳光，阴影就会落在你身后。
Keep your face always toward the sunshine, and shadows will fall behind you.
Focus on directions rather than destinations. Who knows their destiny？ But maintain the right direction and you’ll arrive at where you want to go.
数学和计算机科学之间的相互作用是创新的丰富源泉。
诗人是为不可名状之物命名的人。
拥有美好一天的唯一方法是以积极的态度开始它。
