Learning is any change in a system that produces a more or less permanent change in its capacity to adapt to its environment.
学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。
The main task in life is to give birth to ourselves, to become what we potentially are.
The joy of discovery in mathematics is unparalleled.
体现了道家阴阳平衡的思想，强调事物之间的相互制约与和谐。