Answer:
Similar to other quotes this one could have multiple meanings like "No matter how strong you think you are it's always better to have assistance." Or "two pairs of hands are better than one!" ( The two quotes mean kinda the same meaning just in different words)
Step-by-step explanation:
You know how when you're doing an essay on something and you want to get it checked to assure your self a good grade? Well think, if you "thought" you didn't need any help on checking/doing the essay would your grade be better or worse? (Probably better right?) That's exactly what I mean/think. If you don't understand something please comment or reread what I wrote.
Good luck on whatever you're doing,
Have a great day and,
I hope I was being helpful