Look not every man on his own things, but every man also on the things of others.

The Bible (The New Testament) (AD 1st - 2nd C) Christian sacred scripture

Philippians 2:4 (KJV)
    (Source)

Alternate translations:

• "Do not merely look out for your own personal interests, but also for the interests of others." (NASB)
• "Not looking to your own interests but each of you to the interests of the others." (NIV, NRSV)