John 1:18
Let us not then despise one another, lest we be neglectful of ourselves. “For no man ever yet hated his own flesh, but nourishes and cherishes it.” And therefore God has given to us but one habitation, this earth, has distributed all things equally, has lighted one sun for us all, has spread above us one roof, the sky, made one table, the earth, bear food for us. And another table has He given far better than this, yet that too is one, (those who share our mysteries understand my words,) one manner of birth He has bestowed on all, the spiritual, we all have one country, that in the heavens, of the same cup drink we all.
He has not bestowed on the rich man a gift more abundant and more honorable, and on the poor one more mean and small, but He has called all alike. He has given carnal things with equal regard to all, and spiritual in like manner. Whence then proceeds the great inequality of conditions in life? From the avarice and pride of the wealthy. But let not, brethren, let not this any longer be; and when matters of universal interest and more pressing necessity bring us together, let us not be divided by things earthly and insignificant: I mean, by wealth and poverty, by bodily relationship, by enmity and friendship; for all these things are a shadow, nay less substantial than a shadow, to those who possess the bond of charity from above.
Let us then preserve this unbroken, and none of those evil spirits will be able to enter in, who cause division in so perfect union; to which may we all attain by the grace and lovingkindness of our Lord Jesus Christ, by whom and with whom, to the Father and the Holy Ghost, be glory, now and ever, and world without end. Amen.
Source: Homilies on the Gospel of John (New Advent)