To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
The pursuit of knowledge is a journey without a final destination.
在追求统一理论的过程中,我们必须拥抱未知,并愿意质疑我们最珍视的信念。
The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.
成人必须给幼儿提供活动的空间。