世界就像一个国际象棋棋盘，我们可以看到一个活着的骑士，但我们无法看到一个活着的国际象棋。
The world is like a chessboard， whereon we may see a living knight， but we cannot see a living chess.
Nature tends to produce constancy in all her works, but she does not always succeed.
"Life is what happens when you're busy making other plans."
True happiness arises, in the first place, from the enjoyment of one's self, and in the next, from the friendship and conversation of a few select companions.
Innovation is the driving force for the sustainable development of enterprises.