One day in perfect health is far better than an eternity in any other state.
不在于你有多想要,而在于你愿意为之付出多少努力。
I'm a firm believer that in order to be successful, you have to be willing to make sacrifices.
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。