Noun
The quality or state of being swift; speed; quickness; celerity; velocity; rapidity; as, the swiftness of a bird; the swiftness of a stream; swiftness of descent in a falling body; swiftness of thought, etc.
Source: Webster's dictionaryThe strokes of the pen need deliberation as much as the sword needs swiftness. Julia Ward Howe
His golden locks Time hath to silver turned, O time too swift! O swiftness never ceasing! His youth 'gainst Time and Age hath ever spurned, But spurned in vain! Youth waneth by increasing. George Peele
Time is the mercy of Eternity; without Time's swiftness Which is the swiftest of all things, all were eternal torment. William Blake
Here the free spirit of mankind, at length, Throws its last fetters off; and who shall place A limit to the giant's unchained strength, Or curb his swiftness in the forward race! William Cullen Bryant
To win a race, the swiftness of a dart Availeth not without a timely start. Jean de La Fontaine
She was so quiet. So reflective. And she could erase herself, her spirit, with a swiftness that truly startled, when she knew the people around her could not respect it. Alice Walker