Their power does not come from rank or title but from intellect and perseverance.
他们的权力并非来自等级或头衔,而是来自他们的智慧和毅力。
n. 坚持不懈;不屈不挠
doggedness、
tenacity
adj. persistent、 persevering
adv. perseveringly
vi. persist、 persevere、 perseverate
vt. persist