It is not a simple thing (nor, perhaps, possible) for those who suffer from the evil of anxiety to simply stop feeling it. There are, however, mental states that we call “anxiety” on a daily basis and

No one needs to be unhappy. Unhappiness is an imposition of mental mastery. Let each one exercise his innate capacity, so that the lower mind participates in that state. To be happy is to accept your origin,

I hear America singing, the varied carols I hear; Those of mechanics—each one singing his, as it should be, blithe and strong; The carpenter singing his, as he measures his plank or beam, The mason singing