希望是让我们继续前进的东西,即使道路黑暗。
可持续性不再是选择,而是我们对后代的责任。
The biggest risk is not taking any risk. In a world that is changing quickly, the only strategy that is guaranteed to fail is not taking risks.
逻辑学研究不仅仅是关于推理规则,而是关于推理本身的本质。