"The essence of mathematics lies in its freedom."
The past is a ghost, the future a dream, and all we ever have is now.
True innovation comes from understanding the needs of both the customer and the planet.
幸福不是好运或外部事件的结果，而是我们解释这些事件的方式。
你今天感受到的痛苦将是你明天感受到的力量。
The stories we tell shape the selves we become.