Ecclesiastes 4 - NRSV

Then I saw that all toil and all skill in work come from one person's envy of another. This also is vanity and a chasing after wind.
Ecclesiastes 4:4 work neighbor desires
Two are better than one, because they have a good reward for their toil.
Ecclesiastes 4:9 friendship relationships work

For if they fall, one will lift up the other; but woe to one who is alone and falls and does not have another to help.
Ecclesiastes 4:10 relationships friendship neighbor
And though one might prevail against another, two will withstand one. A threefold cord is not quickly broken.
Ecclesiastes 4:12 relationships friendship strength