“The Elders had nothing but contempt for human emotion; they considered it their biggest weakness. Perenelle knew it was humankind's greatest strength.”
“Men’s greatest weakness is their facade of strength, and women’s greatest strength is their facade of weakness.”
“The greatest strength can be a weakness, ifproperly exploited.”
“One of my greatest strengths is to admit my weaknesses.”
“Dee's search for knowledge was always his greatest strength... and his weakness.”
“Humanity is a vampire's greatest weakness.”