You want to have butterflies in your stomach, because if you don't, if you walk out onstage complacent, that's not a good thing.
But though cognition is not an element of mental action, nor even in any real sense of the word an aspect of it, the distinction of cognition and conation has if properly defined a definite value.
Nigeria is a West African nation of over 100 million energetic people. It is endowed with lots of natural resources but lacks human resources.