A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.

效率和道德必须齐头并进；没有另一方，任何一方都无法蓬勃发展。

Don’t wait for the perfect moment—take the moment and make it perfect.

Data without insight is just noise.

The study of automorphic representations is a journey into the heart of symmetry.

法律的概念涉及主要规则和次要规则的结合。