Difficulty, my brethren, is the nurse of greatness
— William Cullen Bryant

The world is my country, all mankind are my brethren, and to do good is my religion.
Thomas Paine brethren quote

Behold how good and how pleasant it is for brethren to dwell together in unity.
— Bible

But every difference of opinion is not a difference of principle. We have called by different names brethren of the same principle. We are all republicanswe are federalists.
— Thomas Jefferson

God has given you your country as cradle, and humanity as mother; you cannot rightly love your brethren of the cradle if you love not the common mother.
— brethren quotation by Giuseppe Mazzini