https://www.tandfonline.com/doi/pdf/10.1080/10736700802117361

On January 10, 1966, the president(de Gaulle) admonished Alain Peyrefitte, who had recently been named minister of research and of atomic and space matters, saying: 

Find out why the CEA hasn’t managed to make an H-bomb. It’s taking forever!... I want the first experiment to take place before I leave! Do you hear me? It’s of capital importance. Of the five nuclear powers, are we going to be the only one which hasn’t made it to the thermonuclear level? Are we going to let the Chinese get ahead of us? If we do not succeed while I am still here, we shall never make it! My successors, from whatever side, will not dare to go against the protests of the Anglo-Saxons, the communists, the old spinsters and the Church. And we shall not open the gate. But if a first explosion happens, my successors will not dare to stop halfway into the development of these weapons. 

Peyrefitte asked, ‘‘How much time are you giving me?’’ De Gaulle responded, ‘‘1968 at the latest.’’ Peyrefitte then ‘‘threw up [his] arms in a gesture of helplessness,’’ and de Gaulle said, ‘‘Figure it out!’’