"The person who loves God cannot help loving every man as himself..." Maximos the Confessor 7th Century Theologian
"The Christian life, then, is a battle, so sharp and full of danger that effort can nowhere be relaxed without loss..." Ulrich Zwingli 16th Century Swiss Reformer
"I look upon all the world as my parish; thus far I mean, that, in whatever part of it I am, I judge it meet, right, and my bounden duty to declare unto all that are willing to hear, the glad tidings of salvation." John Wesley Founder of Methodism
"As natural science was a chaos until the principal of induction was admitted and faithfully carried out, so theology is a jumble of human speculations, not worth a straw, when men refuse to apply the same principle to the study of the Word of God." Charles Hodge "Systematic Theology: Vol. 1"
Here's something "hip" from the Orthodox side.. :-)