A mathematician's work is never done; there are always more problems to solve.
技术的力量在于它能够让心理健康护理更加可及和个性化。
The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.
【译文】 孔子说:“君子求自己,小人求别人。”