These two phrases can be found in the ancient Chinese documents "Shangshu" and "University" respectively.

First of all, the first half of the sentence is "to be virtuous and generous". These are the words of a conversation between Emperor Shun and Dayu, who were discussing how to govern the country, as recorded in the Shangshu - Dayumu (尚书-大禹谟). Da Yu said to Emperor Shun, "You always say, "Virtue is only good governance, and governance is about nourishing the people." I believe that this means "virtue", "utilization", "generosity", and "harmony". This was the idea of governing the country elaborated by Dayu and highly praised by Emperor Shun.

Look at the second half of the sentence, "To achieve the highest level of excellence". The phrase comes from the first of the four ancient books, "The Great Learning," which begins with the sentence, "The way of the Great Learning is to be clear and virtuous, to be kind to the people, and to stop at the highest good." The meaning is that the root of learning for adults lies in cultivating and clarifying oneself, using one's own achievements in the way of learning and virtue to throw oneself into the world, personally going into the crowded society, getting close to the people and serving them, and finally reaching the state of perfection.

Expanded Information

Yu and Shun spoke of "righteousness, virtue and generosity," emphasizing that good governance and nourishment of the people were the responsibility and duty of emperors. China Mobile said "virtue and thick life", is to emphasize the responsibility and obligation of the enterprise to the community and the country, emphasized as a leader to have a bold heart, to have "the earth is Kun, the gentleman to carry things with virtue" ("Zhouyi", Kun Gua) of the noble virtues.

"To achieve excellence" is to continue to explore, nothing can be achieved overnight, we need to continue to explore in order to discover the truth, to reach an unprecedented new realm, the realization of the mission and vision of the process, is the pursuit of excellence in the process.

Reference:

Baidu Wikipedia-Profound Excellence