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"If anyone of the common people sins unintentionally in doing any one of the things that by the LORD’s commandments ought not to be done, and realizes his guilt, or the sin which he has committed is made known to him, he shall bring for his offering a goat, a female without blemish, for his sin which he has committed."
Our God is a most holy God. Even when we sin unconsciously we must still bear the guilt of it and ask forgiveness. Sin is sin in any form. The shape does not alter the nature.