The company you keep determines the accomplishment you make.

A star player in the midst of unco-operative player can be turned into a poor player.

It takes iron to sharpen iron. Prov.27:17

Mind who you work with, carefully select your work companions. Prov.13:20

Never allow an unwilling, unexcited, unenthusiastic and pessimist to hang around you.

Keep an excited company of workers to remain connected to inspiration.

Excited workers helps to bring the best of you out. Whereas an unexcited person will demotivate you and freeze your brain, and drain your energy.