Max Planck

"Anybody can construct a machine that will draw pictures. If the machine can be made to draw the pictures of the kind I should like to see, I should be inclined to say that it is a genuine work of art."

"The meaning of life consists in the fact that it makes no sense to talk of the meaning of life."

"There is no greater delight than to be conscious of sincerity on one's own part."

"As a scientist, I must acknowledge that I am a personality, and personality is something that no science can get at."

"Where can we find such a peace that will bring true rest to our deep inner being?"

"Anybody who has been seriously engaged in scientific work knows that over the entrance to the gates of the temple of science is written: 'One must have faith.'"

"Religion and natural science are fighting a joint crusade against scepticism and dogmatism."

"If a man does his best, what else is there?"

"The recognition of the universal validity of the law of causation is the foundation of all scientific enquiry."

"It is impossible to obtain a conviction of the existence of absolute evil in the world without the existence of absolute good."

"The physicist has in his study of natural processes to take into account a jurisdiction which for the physicist heretofore was not determining for epistemological representation."

"Anybody who has been seriously engaged in scientific work of any kind knows that over the entrance to the gates of the temple of science are written the words: 'Leave hope behind, all ye that enter here!'"

"The fact that we can describe nature so precisely shows that we understand very little about it."

"An empty stomach is not a good political advisor."

"The greatest problem is to make the spiritual forces that are contained in the scientific knowledge of nature develop their full power for the good of mankind."

"On the other hand, the great changes now occurring in the techniques of production will be accompanied by a transformation of the cultural and social superstructure."

"We have no right to assume that any physical laws exist, or if they have existed up to now, that they will continue to exist in a similar manner in the future."

"The task of science is both to investigate the regularity of facts—to reduce them to law."

"I am now convinced that theoretical physics is actual philosophy."

"Anybody who has been seriously engaged in scientific work knows that over the entrance to the temple of science are written the words: 'Ye must have faith.'"

"There is some point to which the mind naturally gravitates."

"The present read and the future is dark, for it is hid from us by the nature of human weakness."

"Modern physics imposes on us the necessity of revising our fundamental concepts."

"The Universe doesn't consist of elementary particles but of the elementary phenomena connected by the principle of universality."

"Religion is the only department of human knowledge where we still think we can admit hypotheses of any kind."

"For a new truth to triumph it is not enough for its supporters to arise; its opponents must gradually die off."

"The fundamental principle of the scientific approach is that causality is a universal law."

"Who looks in is led by his inner impulses, and his knowledge extends as far as his vision."

"I regard consciousness as fundamental. Matter is derivative from consciousness."

"The truth is like a lion; it does not need to be defended. Let it loose; it will defend itself."