7 Powerful Critical Thinking Quotes – Deconstructed

And, as a general rule, it is more advisable to show your intelligence by saying nothing than by speaking out; for silence is a matter of prudence, whilst speech has something in it of vanity.

Thomas Edison once said, “Thinking is the hardest work of all, which is why most people avoid it at all costs.” There is a saying, “There are those who think. There are those who think they think. And then there is the vast majority who would rather die than think.”