In the end, we only regret the chances we didn't take.
数学证明的美在于它的优雅以及它以清晰简洁的方式揭示潜在真理的方式。
The hardest choices often lie between short-term profit and long-term resilience—choose wisely.
马克思的功绩在于他忽然在社会思想史上产生了一个质的变化。他解释历史,理解其动力,预测未来,但除了预测之外,他还表达了一个革命性的概念:世界不仅必须被解释,还必须被改变。
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
"Children's literature is the foundation for a lifetime of reading."