Devarim (Deuteronomy): Ki Teitzei > Ch 22
You shall not see your brother's ox or sheep straying, and ignore them
You shall not see your brother's ox or sheep straying, and ignore them. [Rather,] you shall return them to your brother. But if your brother is not near you, or if you do not know him, you shall bring it into your house, and it shall be with you until your brother seeks it out, whereupon you shall return it to him. So shall you do with his donkey, and so shall you do with his garment, and so shall you do with any lost article of your brother which he has lost and you have found. You shall not ignore [it]. You shall not see your brother's donkey or his ox fallen [under its load] on the road, and ignore them. [Rather,] you shall pick up [the load] with him.
Crossdressing is an abomination to G-d
A man's attire shall not be on a woman, nor may a man wear a woman's garment because whoever does these [things] is an abomination to the Lord, your G-d.
If you find a nest, don’t take the mother bird
If a bird's nest chances before you on the road, on any tree, or on the ground, and [it contains] fledglings or eggs, if the mother is sitting upon the fledglings or upon the eggs, you shall not take the mother upon the young. You shall send away the mother, and [then] you may take the young for yourself, in order that it should be good for you, and you should lengthen your days.
When building a roof, build a guard rail
When you build a new house, you shall make a guard rail for your roof, so that you shall not cause blood [to be spilled] in your house, that the one who falls should fall from it [the roof].
You shall not sow your vineyard with a mixed variety of species
You shall not sow your vineyard [together with] a mixed variety of species, lest the increase, even the seed that you sow and the yield of the vineyard [both] become forbidden.
You shall not plow with an ox and a donkey together
You shall not wear a mixture of wool and linen together
You shall make yourself twisted threads, on the four corners of your garment with which you cover yourself
Rules about marital relations
Ch 22: If a man falsely claims his wife was with another man before marriage, he must pay a fine and keep her for life. If his claim is true then the wife is to be stoned.
Ch 22: If a man cheats on his wife with a married woman, then both shall die. So shall you clear away the evil from Israel.
Ch 22: If an engaged girl is with another man, then both shall die. If it happens against her will then only the man shall die.
Ch 22: If a man seizes a girl who was not bethrothed, then he shall pay a fine and marry her.
Ch 23: A man shall not take his father's wife, nor shall he uncover the corner of his father's cloak.
Ch 23: A person born of unmarried parents may not enter the assembly of the Lord. Even the tenth generation shall not enter the assembly of the Lord.
Ch 23: Harlotry is prohibited among Israelites.
Ch 24: First husband can’t take his wife back after she had a second husband. That is an abomination before the Lord.
Ch 24: After marrying, a man is free from the army for a year.
Ch 25: If one brother dies and has no son, then the other brother shall take his wife.
Research & Analysis
for more info about tzitzit (twisted threads)