Technology can help us monitor forests, but it's human commitment that will save them.
有人质疑巴菲特的投资策略只是运气好而已,他讲了一个有关机率的故事回答它们
马克思的功绩在于他忽然在社会思想史上产生了一个质的变化。他解释历史,理解其动力,预测未来,但除了预测之外,他还表达了一个革命性的概念:世界不仅必须被解释,还必须被改变。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.