理解学习问题的计算复杂性对于开发高效算法至关重要。
Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
最好的建筑既是永恒的，又是及时的。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Life is 10% what happens to you and 90% how you react to it.