רֵאשִׁ֨ית דְּגָֽנְךָ֜ תִּֽירֹשְׁךָ֣ וְיִצְהָרֶ֗ךָ וְרֵאשִׁ֛ית גֵּ֥ז צֹאנְךָ֖ תִּתֶּן־לּֽוֹ׃
The first-fruits of thy corn, of thy wine, and of thine oil, and the first of the fleece of thy sheep, shalt thou give him.
Read kabbalistic (mystical) interpretation of Deuteronomy 18:4: and classical mystical sources.