b. The speaker asks his reader, faced with an onerous task, to have confidence in his own abilities, and never waver, nor falter. There will always be people to doubt his capabilities, and demean his sincerity in accomplishing the assigned task. But, one must never allow one’s confidence to be dented by such selfish aspersions. In the same breath, to be intolerant of such criticism would be unwise and arrogant. One should take such criticism in one’s stride, and remain steadfast in the pursuit of one’s objective.
c. Often the effort to accomplish the task may stretch very long almost sapping the person’s energy to a point where he decides to give up. However hopeless the situation might be, he must carry on regardless.