挑战是考验我们韧性的烤箱,我们如何应对它们决定了我们的成功。
The most important principle of positive psychology is that other people matter.
Libraries were full of ideas—perhaps the most dangerous and powerful of all weapons.
实际发展水平与潜在发展水平之间的距离,前者由独立解决问题决定,后者由在成人指导下或与更有能力的同伴合作解决问题决定。