宇宙不在你之外。审视你自己;你所渴望的一切,你早已拥有。
"Every word we write is a step closer to understanding ourselves."
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。
数学不是一项观赏性运动。
The coal industry must evolve with technology to meet global energy demands sustainably.
Man is the measure of all things.