Sustainable forestry is not just about cutting trees; it's about ensuring the future has forests to cherish.
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
积聚的水如果不深,就无力浮起大船。倒一杯水在堂前的凹地,芥草浮在上面就是小船了,放一只水杯在上面就动不了了,是因为水浅而船大。聚集的风如果不大,就无力载负巨大的双翼,因而大鹏扶摇而上九万里,疾风在下面劲吹,然后才能凭借风力,背负蓝天而无可阻挡,才能够一路南飞。