The Prophet (salla Allahu alayhi wa sallam) said,
"Be watchful of Allah (by adhering to His
commandments), He will preserve you. Safeguard
His Rights, He will be ever with you. If you ask,
ask of Him Alone; and if you need assistance,
supplicate to Allah Alone for help.
And remember that if all the people gather to
benefit you, they will not be able to benefit you
except that which Allah has ordained (for you);
and if all of them gather to do harm to you, they
will not be able to afflict you with anything other
than that which Allah had pre-destined against
you. The pens had been lifted and the ink has
dried." ~ (at-Tirmidhi)