“In the eighteenth century the development of mechanics and of {{w|History of gravitational theory|gravitational theory}} was carried on by the three Bernoullis, Euler, {{w|Alexis Clairaut|Clairaut}}, d'Alembert, and others. This development reached its culmination near the end of the century in the publication of Lagrange's {{w|Mécanique_analytique|’’Mécanique Analytique’’}} and of the {{w|Traité_de_mécanique_céleste|’’Mécanique Céleste’’}} of Laplace—works which for completeness and finish have seldom, if ever, been excelled.”