It is not a mistake to commit a mistake, for no one commits a mistake knowing it to be one. But it is a mistake not to correct the mistake after knowing it to be one. If you are afraid of committing a mistake, you are afraid of doing anything at all. You will correct your mistakes whenever you find them.
Women observe subconsciously a thousand little details, without knowing they are doing so. Their subconscious mind adds these little things together - and they call the result intuition.
Lawyers are shy of meddling with the Law on their own account: knowing it to be an edged tool of uncertain application, very expensive in the working, and rather remarkable for its properties of close shaving than for its always shaving the right person.
The instruction of children should aim gradually to combine knowing and doing. Among all sciences mathematics seems to be the only one of a kind to satisfy this aim most completely.
As long as God does not intervene in the contemporary universe in such a way as to violate physical laws, science has no way of knowing whether God exists or not. The belief or disbelief in such a Being is therefore a matter of faith.
The shuttle is the worst $20 you'll ever save. It adds 90 minutes to whatever a Town Car or cab would have been. You have the unenviable choice between being dropped off last or being dropped off first and having a bunch of losers who can't afford cab fare and have no friends or loved ones with cars knowing exactly where you live.