"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."
The most beautiful things in life are not things, they're moments.
经常给你的孩子朗读书籍,能够加深你们之间的羁绊,激发孩子的想象力。
The true test of a mathematical idea is its ability to inspire further questions.