Louis de Broglie quotes

“The actual state of our knowledge is always provisional and... there must be, beyond what is actually known, immense new regions to discover.”
-- Louis de Broglie

Source : "Causality and Chance in Modern Physics". Foreword of book by David Bohm, p.10, 1984.

#States Quotes

“Two seemingly incompatible conceptions can each represent an aspect of the truth... They may serve in turn to represent the facts without ever entering into direct conflict.”
-- Louis de Broglie

Source : Dialectica, Vol. 2, No. 3/4 (p. 326), 1948.

#Truth Quotes #Two Quotes #Entering Quotes

“The history of science shows that the progress of science has constantly been hampered by the tyrannical influence of certain conceptions that finally came to be considered as dogma. For this reason, it is proper to submit periodically to a very searching examination, principles that we have come to assume without any more discussion.”
-- Louis de Broglie

#Progress Quotes #Principles Quotes #Examination Quotes

“In space-time everything which for each of us constitutes the past, the present and the future is given en bloc...Each observer, as his time passes, discovers, so to speak, new slices of space-time which appear to him as successive aspects of the material world, though in reality the ensemble of events constituting space-time exist prior to his knowledge of them.”
-- Louis de Broglie

#Past Quotes #Reality Quotes #Space Quotes

“It seems a little paradoxical to construct a configuration space with the coordinates of points which do not exist.”
-- Louis de Broglie

Source : "Quantum Theory at the Crossroads: Reconsidering the 1927 Solvay Conference". Book by Guido Bacciagaluppi and Antony Valentini, Cambridge University Press, p. 346, 2009.

#Space Quotes #Littles Quotes #Paradoxical Quotes

“We are not sufficiently astonished by the fact that any science may be possible.”
-- Louis de Broglie

Source : Louis de Broglie (1955). “Physics and microphysics”

#May Quotes #Facts Quotes

“Even if you forget that´s not the same as if it never happened. The slate is not entirely wiped clean; you can´t reclaim the person you were beforehand; your state of innocence is not there to be retrieved.”

“Is there a meaning to music? Yes. Can you state in so many words what the meaning is? No.”

“Illness has always brought me nearer to a state of grace.”

“Secession withdraws the State out of the reach of the usurped powers”

“They who pray not, know nothing of God, and know nothing of the state of their own souls.”

Source : Adam Clarke (1831). “Discourses on various subjects relative to the being and attributes of God, and his works in creation, providence, and grace”, p.146

“The great strength of the totalitarian state is that it forces those who fear it to imitate it.”

“It is not the State that orders us; but it is we who order the State!”

“Let me control the textbooks, and I will control the state.”

“In the actual state of social relationships, the forms ("formes", Fr.) of politeness are necessary as a subsitute to benevolence.”

Source : "Paroles d'un sage: Choix de pensées d'African Spir" ("Words of a Sage : Selected thoughts of African Spir") by Hélène Claparède-Spir, (p. 50), 1937.

“Insanity is just a state of mind.”