Rigor in proof is what separates mathematics from all other sciences.
To understand the meaning of a sentence, we must consider the speaker's intention and the context of the utterance.
真相是,生活既美妙又可怕,既迷人又恐怖,既甜蜜又苦涩,这就是一切。
TRANQUILLITY. Be not disturbed at trifles, or at accidents common or unavoidable.
I'm the reason your brain won't think.