The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
生活是一段旅程,无论道路和住宿多么糟糕,都必须前行。
可持续性不是一种趋势;而是我们对地球和未来农民的责任。
预测未来的最好方式就是创造未来。