But the main trouble with human beings is their tendency to become trapped in the 'triviality of everydayness' (to borrow Heidegger's phrase), in the suffocating world of their personal preoccupations. And every time they do this, they forget the immense world of broader significance that stretches around them. And since man needs a sense of meaning to release his hidden energies, this forgetfulness pushes him deeper into depression and boredom, the sense that nothing is worth the effort.