The secret of joy in work is contained in one word – excellence. To know how to do something well is to enjoy it.
No testimony is sufficient to establish a miracle unless the testimony be of such a kind that its falsehood would be more miraculous than the fact which it endeavors to establish.
Mathematics is the key and door to the sciences.
国际政治是一个残酷而无情的舞台，各国不断努力最大化自己的权力和安全。
The greatest stories are those that leave room for silence.
