Combinatorics is like the art of counting without actually counting.

Digital transformation is not an option but a must. Enterprises must embrace the cloud.

One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.

生活的艺术在于克服困难而不战胜它们。