质量从来不是偶然的，它始终是智慧努力的结果。
Quality is never an accident; it is always the result of intelligent effort.
Topology is the study of the properties of a figure that are unchanged by any deformation.
Science is not about being right; it's about being less wrong over time.
请勇往直前，一路勇往直前，然后用推特（Twitter ）大肆宣扬你努力的成果。搞不好你会名满天下。
我在数学上花的时间越多，我就越兴奋。
好奇心是科学的驱动力。