Without libraries what have we? We have no past and no future.
Listen more than you talk. Nobody learned anything by hearing themselves speak.
Remember, your mind is your greatest asset, so be careful what you put into it.
The truth is that money doesn’t make you rich; knowledge does.
True knowledge exists in knowing that you know nothing. And in knowing that you know nothing, that makes you the smartest of all.
To know, is to know that you know nothing. That is the meaning of true knowledge. For a man who claims to have knowledge, while actually knowing nothing, is less smart than you, who claim to know nothing.
To know and not to do is not to know.
No one undertakes research in physics with the intention of winning a prize. It is the joy of discovering something no one knew before.
It takes considerable knowledge just to realize the extent of your own ignorance.
No problem can withstand the assault of sustained thinking.
Can I say something? Um, I’m the type of person that if you ask me a question and I don’t know the answer, I’m gonna tell you that I don’t know. But I bet you what, I know how to find the answer and I will find the answer.
What can be asserted without evidence can be dismissed without evidence.
If you really want to understand something, the best way is to try and explain it to someone else.
They say a little knowledge is a dangerous thing, but it’s not one half so bad as a lot of ignorance.
It is not enough to have a good mind; the main thing is to use it well.
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.
Doubt is the origin of wisdom.
It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
We cannot teach people anything; we can only help them discover it within themselves.