The greatest threat to our planet is the belief that someone else will save it.
Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.
农业的可持续性不是一种选择,而是对后代子孙的必要责任。
逻辑学研究不仅仅是关于推理规则,而是关于理性思维的结构。