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Below is a list of the 613 mitzvot (commandments). It is based primarily on the list compiled by Rambam in the Mishneh Torah, but I have consulted other sources as well. As I said in the page on halakhah, Rambam's list is probably the most widely accepted list, but it is not the only one. The order is my own, as are the explanations of how some rules are derived from some biblical passages.For each mitzvah, I have provided a citation to the biblical passage or passages from which it is derived, based primarily on Rambam. For commandments that can be observed today, I have also provided citations to the Chafetz Chayim's Concise Book of Mitzvot (CCA refers to affirmative commandments; CCN refers to negative commandments; CCI refers to commandments that only apply in Israel).Commandments that cannot be observed today primarily relate to the Temple, its sacrifices and services (because the Temple does not exist) and criminal procedures (because the theocratic state of Israel does not exist).

G-d

To know that G-d exists (Ex. 20:2; Deut. 5:6) (CCA1). See What Do Jews Believe?.
Not to entertain the idea that there is any god but the Eternal (Ex. 20:3) (CCN8). See What Do JewsBelieve?.
Not to blaspheme (Ex. 22:27; in Christian texts, Ex. 22:28), the penalty for which is death (Lev. 24:16) (negative).
To hallow G-d's name (Lev. 22:32) (CCA5). See The Name of G-d.
Not to profane G-d's name (Lev . 22:32) (CCN155). See The Name of G-d.
To know that G-d is One, a complete Unity (Deut. 6:4) (CCA2). See What Do Jews Believe?.
To love G-d (Deut. 6:5) (CCA3). See What DoJews Believe?.
To fear Him reverently (Deut. 6:13; 10:20) (CCA4).
Not to put the word of G-d to the test (Deut. 6:16) (negative).
To imitate His good and upright ways (Deut. 28:9) (CCA6).
Torah

To honor the old and the wise (Lev. 19:32) (CCA17).
To learn Torah and to teach it (Deut. 6:7) (CCA14). See Torah.
To cleave to those who know Him (Deut. 10:20) (the Talmud states that cleaving toscholars is equivalent to cleaving to Him) (CCA16).
Not to add to the commandments of the Torah, whether in the Written Law or in its interpretation received by tradition (Deut. 13:1) (CCN159). See Torah.
Not to take away from the commandments of the Torah (Deut. 13:1) (CCN160). See Torah.
That every person shall write a scroll of the Torah for himself (Deut. 31:19) (CCA15). See Torah.
Signsand Symbols

To circumcise the male offspring (Gen. 17:12; Lev. 12:3) (CCA47) See Brit Milah: Circumcision.
To put tzitzit on the corners of clothing (Num. 15:38) (CCA10). See Tzitzit and Tallit.
To bind tefillin on the head (Deut. 6:8) (CCA9). See Tefillin.
To bind tefillin on the arm (Deut. 6:8) (CCA8). See Tefillin.
To affix the mezuzah to the doorposts and gates of your house (Deut. 6:9)(CCA12). See Mezuzah.
Prayer and Blessings

To pray to G-d (Ex. 23:25; Deut. 6:13) (according to the Talmud, the word "serve" in these verses refers to prayer) (CCA7). See Prayers and Blessings; Jewish Liturgy.
To read the Shema in the morning and at night (Deut. 6:7) (CCA11). See Jewish Liturgy.
To recite grace after meals (Deut. 8:10) (CCA13). See Birkat Ha-Mazon: Grace After Meals
Not tolay down a stone for worship (Lev. 26:1) (CCN161).
Love and Brotherhood

To love all human beings who are of the covenant (Lev. 19:18) (CCA60). See Love and Brotherhood.
Not to stand by idly when a human life is in danger (Lev. 19:16) (CCN82). See Love and Brotherhood.
Not to wrong any one in speech (Lev. 25:17) (CCN48). See Speech and Lashon Ha-Ra.
Not to carry tales (Lev. 19:16) (CCN77).See Speech and Lashon Ha-Ra.
Not to cherish hatred in one's heart (Lev. 19:17) (CCN78). See Love and Brotherhood.
Not to take revenge (Lev. 19:18) (CCN80).
Not to bear a grudge (Lev. 19:18) (CCN81).
Not to put any Jew to shame (Lev. 19:17) (CCN79).
Not to curse any other Israelite (Lev. 19:14) (by implication: if you may not curse those who cannot hear, you certainly may not curse those who...