即使在最黑暗的时刻,只要记得点亮灯光,就能找到幸福。
数学是关于概念之间关系的科学,与这些概念的内容无关。
The only thing that matters is how you feel about yourself.
If everything was perfect, you would never learn and you would never grow.
发现可能性的极限的唯一方法是超越它们进入不可能的领域。
The companies that will thrive are those that see conservation as an investment, not a cost.