Jabir Ibn ‘AAabdullah (R) related that the Messenger of Allah (SAWS) said: ‘Verily, the best supplication is:
‘All praise is for Allah.’
…and indeed, the best form of remembrance is:
لَا إِلَه إِلَّا اللهُ.
La ilaha illal-lah.
‘None has the right to be worshipped except Allah.’