Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
Conversely, if you are truly convicted something is not sin, I believe you're OK ...
But honestly, with;
1 Corinthians 6: 12 - 17
12All things are lawful unto me, but all things are not expedient: all things are lawful for me, but I will not be brought under the power of any.
13Meats for the belly, and the belly for meats: but God shall destroy both it and them. Now the body is not for fornication, but for the Lord; and the Lord for the body.
14And God hath both raised up the Lord, and will also raise up us by his own power.
15Know ye not that your bodies are the members of Christ? shall I then take the members of Christ, and make them the members of an harlot? God forbid.
16What? know ye not that he which is joined to an harlot is one body? for two, saith he, shall be one flesh.
17But he that is joined unto the Lord is one spirit.
I don't see how you can.
And the earth brought forth grass and herb yielding seed after its kind, and the tree yielding fruit, whose seed was in itself, after his kind: and God saw that it was good. (Genesis 1:12)
And I will raise up for them a plant of renown, and they shall be no more consumed with hunger in the land, neither bear the shame of the heathen any more. -- Ezekiel 34:29
God said, "Behold, I have given you every herb bearing seed, which is upon the face of all the earth, and every tree in which is the fruit of a tree yielding seed; to you it shall be for meat. And to every beast of the earth, and to every fowl of the air, and to everything that creepeth upon the earth, wherein there is life, I have given every green herb for meat: and it was so." And God saw everything that he had made, and, behold, it was very good. And the evening and the morning were the sixth day. (Gen. 1:29-31)
Cocaine is evil
Heroin is evil
Pot is not evil.
Do you at least think the Tenth Amendment should be honored and leave fedgov out of intrastate mj regulation?