We say in the Friday night Amidah: אַתָּה קִדַּשְׂתָּ אֶת יוֹם הַשְּׁבִיעִי לִשְׁמֶךָ, תַּכְלִית מַעֲשֶׂה שָׁמַיִם וָאָרֶץ, וּבֵרַכְתּוֹ מִכָּל הַיָּמִים, וְקִדַּשְׁתּוֹ מִכָּל הַזְּמַנִּים, וְכֵן כָּתוּב בְּתוֹרָתֶךָ: וַיְכֻלּוּ… You sanctified the seventh day for Your Sake, the culmination of the making of heaven and earth, and You blessed it from all the days and You sanctified it from all the times. And...
If you would like this picture as a PDF to print for hanging in a school, shul or home, it is available here. We often complain that we spend so much time on the halachic trees, we lose sight of the forest. I hope someone finds this reminder helpful.