违反贝尔不等式迫使我们拒绝局域性或实在性,或两者兼而有之。
The challenge is not to represent Africa, but to present African complexities.
数学的真正力量不在于它的复杂性,而在于它的简洁和优雅。
Every element has a story, and every reaction tells a tale.
One can choose to go back toward safety or forward toward growth. Growth must be chosen again and again; fear must be overcome again and again.