Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
The desire for verification is understandable but cannot always be satisfied.
We need to make sure that technology serves humanity, not the other way around.
It must be hard being a king.
古今的變化，不是改變其根本道理，而是改變其方法。
世界是一個(gè)舞臺，但演員選得不好。