Well, that's the classic Silver Age version of the Green Lantern Oath. There are variations. One member of the Green Lantern Corps comes from a species that never evolved sight, so 90% of the concepts used are meaningless.. even that of a lantern! So the GL who recruited him worked out a new version...
In loudest din or hush profound My ears catch evil's slightest sound Let those who toll out evil's knell Beware my power, the F-Sharp Bell!
I've always wondered if Rot Lop Fan (https://secure.wikimedia.org/wikipedia/en/wiki/List_of_Green_Lanterns#Rot_Lop_Fan) every unknowingly encountered something yellow and got frustrated at his inability to affect it with the ring...
no subject
In loudest din or hush profound
My ears catch evil's slightest sound
Let those who toll out evil's knell
Beware my power, the F-Sharp Bell!
I've always wondered if Rot Lop Fan (https://secure.wikimedia.org/wikipedia/en/wiki/List_of_Green_Lanterns#Rot_Lop_Fan) every unknowingly encountered something yellow and got frustrated at his inability to affect it with the ring...