True wisdom is less presuming than folly. The wise man doubteth often, and changeth his mind; the fool is obstinate, and doubteth not; he knoweth all things but his own ignorance.
Akhenaton
The liberally educated person is one who is able to resist the easy and preferred answers, not because he is obstinate but because he knows others worthy of consideration.
Ajay Gupta
Negro poverty is not white poverty, ... Many of its causes and many of its cures are the same. But there are differences - deep, corrosive, obstinate differences, radiating painful roots into the community and into the family and the nature of the individ...
Lyndon Johnson