Where is truth? Is there truth in what I am doing now?
There are only two kinds of math books: Those you cannot read beyond the first sentence, and those you cannot read beyond the first page.
Nature seems to take advantage of the simple mathematical representations of the symmetry laws. When one pauses to consider the elegance and the beautiful perfection of the mathematical reasoning involved and contrast it with the complex and far-reaching physical consequences, a deep sense of respect for the power of the symmetry laws never fails to develop.
Einstein's theory of General Relativity has a mathematical structure very similar to Yang-Mills theory.
I should like to say that I am as proud of my Chinese heritage and background as I am devoted to modern science, a part of human civilization of Western origin, to which I have dedicated and I shall continue to dedicate my work.
The question was heatedly debated of how much Western culture should be brought into China.
In the latter half of the last century the impact of the expanding influence of Western culture and economic system brought about in China a severe conflict.
This is the sorcery of literature. We are healed by our stories.
During a political campaign everyone is concerned with what a candidate will do on this or that question if he is elected except the candidate; he's too busy wondering what he'll do if he isn't elected.
We have a duty to warn on an individual basis if we are treating someone who may be dangerous to herself or to others - a duty to warn people who are in danger from that person. We feel it's our duty to warn the country about the danger of this president. If we think we have learned something about Donald Trump and his psychology that is dangerous to the country, yes, we have an obligation to say so.
Since 2010, America has put more people back to work than Europe, Japan, and all advanced economies combined.