"The goal of mathematics is to understand the universe."
写作是一种自由的行为,是一种以其他方式无法表达的表达方式。
The laws of physics are the same everywhere in the universe, and that is a profound truth.
The past is a ghost, the future a dream, and all we ever have is now.
自由的价值只有失去时才真正懂得。