Mishneh Torah — Positive Mitzvot מצוות עשה, Chapter 125
The full Hebrew text of Mishneh Torah, Positive Mitzvot, Chapter 125, with English translation by Maimonides (Rambam).
להביא ביכורים לבית הבחירה, שנאמר: "רֵאשִׁית בִּכּוּרֵי אַדְמָתְךָ" (שמות כג, יט) (שמות לד, כו).
To bring the first fruits to God's chosen house, [the Temple,], as [Exodus 23:19] states: "The first fruits of your land...."