A mathematical truth is universal and eternal.

The most dangerous phrase in business is: 'We've always done it this way.'

Education is the lighthouse of the soul.

Collaboration across industries and governments is essential to address the world's energy challenges.

夸夸其谈者通常要比身体力行者显得更加语有伦次，因为话语才是他们的专长。

I don't rap for dead presidents. I'd rather see the president dead.