وَاظَبَ على: دَاوَمَ to persevere in, persist in, do persistently or regularly, practice constantly, pursue steadily, continue to do, keep doing, keep on (doing), keep (up), go on doing, stick to, adhere to

وَاظَبَ على: ثـَابَرَ to persevere in, persist in, devote oneself assiduously to, apply oneself diligently to; to be diligent, assiduous, sedulous