Facts are worthless to a man if he has to keep running to somebody else for advice on how to use them.
There is no fact that cannot be vulgarized and presented in a ludicrous light.
There is no need of words; believe facts.
Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses Nature leads, or you shall learn nothing.
In these matters the only certainty is that nothing is certain.
Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise.
I’m not sure I want popular opinion on my side – I’ve noticed those with the most opinions often have the fewest facts.
Every man has a right to his opinion, but no man has a right to be wrong in his facts.
Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passions, they cannot alter the state of facts and evidence.
Facts have a cruel way of substituting themselves for fancies. There is nothing more remorseless, just as there is nothing more helpful, than truth.