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唯一的限制是你自己设定的限制。
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。
事实是,我们都在试图弄清楚如何生活。
Mathematics is the language with which God has written the universe.
You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count. What else is there? Your life is made out of the days it's made out of. Nothin else.
In every society, there are voices that are silenced; literature gives them a chance to speak.
Sustainability isn't a trend; it's the future of business.