טוֹבִים הַשְּׁנַיִם מִן־הָאֶחָד... כִּי אִם־יִפֹּלוּ, הָאֶחָד יָקִים אֶת־חֲבֵרוֹ; וְאִילוֹ הָאֶחָד, שֶׁיִּפּוֹל וְאֵין שֵׁנִי לַהֲקִימוֹ.

Two are better than one… for if they fall, one can lift up his companion; but woe to the one who falls and has no second to lift him up.

Kohelet (Ecclesiastes) 4:9–10: