"I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit."
自然界没有废物——每样东西都是其他事物的养分。
数学之美在于它能够精确而优雅地描述自然界的基本法则。
Art should be something that liberates the soul, provokes the imagination and encourages people to go further.
