Invert, always invert: Turn a situation or problem upside down.Look at it backward.
颠倒,永远颠倒:把情况或问题颠倒过来。倒过来看。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Awaken the soul through education.
The best thing a human being can do is to help another human being know more.
The future of food security lies beneath the waves, if we're willing to cultivate it responsibly.