唯一的限制是你的思想。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
永远不要低估为更大目标迈出的小而持续的步骤的力量。
The Soviet man was a man who was always waiting—for rations, for orders, for the end.
生命太短暂,不要浪费时间在无关紧要的事情上。
你的现在无法停留是因为我。