每个数学问题都有解答;挑战在于找到它。
The future of liberal democracy depends on its ability to address the challenges of inequality and political polarization.
讲故事的力量在于它可以改变世界,一次一个心灵。
The truth is not always beautiful, nor beautiful words the truth.
El verdadero escritor no busca la fama, sino la verdad.