There can be no doubt that Saddam Hussein has biological weapons and the capability to rapidly produce more, many more. Colin Powell
There can be no doubt that our descendants will learn to exploit the energy of fusion for peaceful purposes even before its use becomes necessary for the preservation of human civilization. Lev Artsimovich
Since Don Quixote de la Mancha is a crazy fool and a madman, and since Sancho Panza, his squire, knows it, yet, for all that, serves and follows him, and hangs on these empty promises of his, there can be no doubt that he is more of a madman and a fool than his master. Miguel de Cervantes
There can be no doubt that Samuel Marchbanks is one of the choice and master spirits of this age. If there were such a volume as Who Really Ought To Be Who his entry would require several pages. Robertson Davies
There can be no doubt that if we had been victorious on the Vistula, the revolutionary fires would have reached the entire continent. Mikhail Tukhachevsky
Whatever disagreement there may be as to the scope of the phrase "due process of law" there can be no doubt that it embraces the fundamental conception of a fair trial, with opportunity to be heard. Oliver Wendell Holmes Jr.