No flying machine will ever fly from New York to Paris ... [because] no known motor can run at the requisite speed for four days without stopping.
The history of the Victorian Age will never be written: we know too much about it. For ignorance is the first requisite of the historian - ignorance, which simplifies and clarifies, which selects and omits, with a placid perfection unattainable by the highest art. - Lytton Strachey
success awaits those who steadfastly commit to any requisite sacrifice - Ken Poirot
Fearlessness is the first requisite of spirituality. Cowards can never be moral. - Mahatma Gandhi
Self-confidence is the first requisite to great undertakings." - Samuel Johnson
One's appreciation of, and understanding of the normal or the usual is requisite for any understanding of the abnormal or the unusual. - Milton H. Erickson
Self-confidence is the first requisite to great undertakings. - Samuel Johnson