法苑珠林 20.21

20.21

又涅槃經云。若於佛法供養一香燈。乃至獻一華。則生不動國。善守佛僧物塗掃佛僧地。像塔如母指。常生歡喜心。亦生不動國。此即淨土常嚴。不為三災所動也。

Furthermore, the Nirvāṇa Sūtra says: 'If one makes an offering to the Buddha or the Dharma of a single stick of incense or lamp, or even presents a single flower, one will be reborn in the Akṣobhya land. If one guards well the property of the Buddha and the Saṃgha, sweeps and plasters the ground of the Buddha and the Saṃgha, or makes an image or stūpa as small as a thumb, constantly giving rise to a joyful mind, one will also be reborn in the Akṣobhya land.' This means that the pure land is perpetually adorned and is not shaken by the three calamities.