Never invest in any idea you can't illustrate with a crayon.
Coal will remain part of the energy mix, but it must be cleaner and more responsible.
The simplicity of nature is not to be measured by that of our conceptions.
形式系統(tǒng)的發(fā)展徹底改變了我們對數(shù)學(xué)的理解。
The ordinary is extraordinary if you look closely enough.