She reminded him that when one door shuts, another opens, so he should keep looking.

My grandmother comforted me with the proverb 'when one door shuts, another one opens' after I lost my job.

I reminded her of the proverb 'when one door closes, another door opens' to give her hope after the job loss.

After she lost her job, he reminded her of the proverb when one door closes, another one opens to help her stay hopeful.

After years of struggle, she reminded herself that when one door shuts, another door opens, so she moved forward with renewed hope.