Let none of you have a soul which is barren and without fruit. Let nobody be unloving or unreceptive to the spiritual seed. May each of you eagerly accept the celestial seed, the word of salvation (cf. Lk. 8:11), and by your own efforts bring it to perfection as a heavenly work and fruit pleasing to God. Let no one make a beginning of a good work which brings no fruit to perfection (cf. Lk. 8:14), nor declare his faith in Christ only with His tongue.
Gregory PalamasMore Gregory Palamas quotes
Let no one out of laziness or continuous worldly occupations miss these holy Sunday gatherings, which God Himself handed down to us, lest he be justly abandoned by God... If you are detained and do not attend on one occasion, make up for it the next time, bringing yourself to Christ's Church. Otherwise you may remain uncured, suffering from unbelief in your soul because of deeds or words, and failing to approach Christ's surgery to receive... holy healing.
Gregory Palamas