וַֽיְהִ֖י מִקֵּ֣ץ יָמִ֑ים וַיָּבֵ֨א קַ֜יִן מִפְּרִ֧י הָֽאֲדָמָ֛ה מִנְחָ֖ה לַֽיהוָֽה׃
And in process of time it came to pass, that Cain brought of the fruit of the ground an offering unto the LORD.
Read halakhic rulings (Jewish law) on Genesis 4:3: and classical halakhic sources.