An invitation to a wedding invokes more trouble than a summons to a police court.

Let both sides seek to invoke the wonders of science instead of its terrors. Together let us explore the stars conquer the deserts eradicate disease tap the ocean depths and encourage the arts and commerce.

Those who invoke history will certainly be heard by history. And they will have to accept its verdict.

Leaders must invoke an alchemy of great vision.

Make friends with the angels who though invisible are always with you. Often invoke them constantly praise them and make good use of their help and assistance in all your temporal and spiritual affairs.

I now bid farewell to the country of my birth - of my passions - of my death a country whose misfortunes have invoked my sympathies - whose factions I sought to quell - whose intelligence I prompted to a lofty aim - whose freedom has been my fatal dream.