Noun
The possession of one's powers; calmness; self-command; presence of mind; composure.
Source: Webster's dictionaryself possession
Self-possession was the strongest part of Harvard College, which certainly taught men to stand alone, so that nothing seemed stranger to its graduates than the paroxysms of terror before the public which often overcame the graduates of European universities. Henry Adams
Grief like anything else – like a stone – is content only; God gives us the form, that serenity, purity and self-possession with which to surround and live grief. Aldo Capitini
One of the very best of all earthly possessions is self-possession. George D. Prentice
The greatest possession is self-possession. Ethel Mumford
Self-possession depends on its environment. Gustave Flaubert
No nation is truly defeated which retains its spiritual self-possession. No nation is truly victorious which does not emerge soul unstained. Evelyn Underhill