The Three Hardest Words in the English Language

"Until you can admit what you don't know, it's virtually impossible to learn what you need to. Because if you think you already have all the answers, you won't go looking for them. If you fake like you always know the answer, you don't have the freedom to explore other possibilities. But if you actually care about the outcome, and the truth, saying 'I don't know' is critical."

-The Three Hardest Words in the English Language