Mr. Mockus has emphasized human rights scandals on his opponent's watch as defense minister, while Mr. Santos has questioned if Mr. Mockus is ready to lead a country that faces resilient security threats from leftist rebels and drug-trafficking gangs.
The insurgency they face is resilient, but predictions of a new civil war are overblown.
United States and allied forces face a resilient Taliban, as well as Qaeda militants, who have been operating from sanctuaries in northwestern Pakistan.
Dissent and defiance in Homs, its residents say, have become knitted into the city's fabric, signaling to the government that however ferocious the repression, it will face a resilient opposition for the foreseeable future.
All of us in the military knew, and made clear, that this would be a long, hard summer for our people in Afghanistan; that they faced a resilient and determined enemy who would make every effort to disrupt our work to support the development of effective governance in Helmand province.
Increasingly, the opposition movement seems to be facing a cornered but resilient foe.
A system that remains dependable when facing changes is called resilient.
Set higher educational goals Are more likely to attend college Are more likely to participate in positive behaviors such as sports, extracurricular activities and volunteer opportunities Have higher levels of self-esteem and self-confidence Are more resilient when facing setbacks or challenges.
Rod Thorn, the Nets' president and general manager, said that while the players were resilient, Scott faced his biggest challenge as a coach.
But research on what is known as post-traumatic growth has found that some people become more resilient when faced with adversity, says Shawn Achor, a Harvard researcher.
