Exegetical Question : θησαυρός may not be πλοῦτος. Re-interpreting μὴ θησαυρίζετε ὑμῖν θησαυροὺς ἐπὶ τῆς γῆς (Matt 6,19) Exegetical Reflection in Honour of Prof. Dr. J. Kügler, a Treasure for African New Testament Science and Applied Biblical Studies