Paul compares his attitude to his converts to the gentleness of a nurse (1 Thess. 2: 7). So also Titus 3: 2.
Citation for gentleness
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"gentleness." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. May 18, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e743>.
Chicago
"gentleness." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e743 (accessed May 18, 2013).