Terrorism is an evil that threatens all the countries in Europe. Vigorous cooperation in the European Union and worldwide is crucial in order to meet this evil head on.
Jan Peter Balkenende
One of the marks of a truly vigorous society is the ability to dispense with passion as a midwife of action - the ability to pass directly from thought to action. Eric Hoffer
For the stage displays the first vigorous expression, as the natural thing and without conspicuous restraint, of private individuality. Lascelles Abercrombie
Some men give up their designs when they have almost reached the goal; While others, on the contrary, obtain a victory by exerting, at the last moment, more vigorous efforts than ever before.
What to an outsider will be no more than the vigorous presentation of a conviction, to an employee may be the manifestation of a determination which it is not safe to thwart. Learned Hand