Every breakthrough starts with a question.

成为一体，团结一致是伟大的。但尊重差异的权利可能更伟大。

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.

Resource development must balance economic growth with environmental stewardship.

归纳行为是一种行为模式，而不是推理模式。