For sin is just this, what man cannot by its very nature do with his whole being; it is possible to silence the conflict in the soul, but it is not possible to uproot it.
Nature cannot be tricked or cheated. She will give up to you the object of your struggles only after you have paid her price.
The link between peace and stability on the one hand, and social and economic growth on the other, is dialectic. Peace, poverty, and backwardness cannot mix in one region.
A war can perhaps be won single-handedly. But peace - lasting peace - cannot be secured without the support of all.
Vision without power does bring moral elevation but cannot give a lasting culture.
Serious poetry deals with the fundamental conflicts that cannot be logically resolved: we can state the conflicts rationally, but reason does not relieve us of them.
All who think cannot but see there is a sanction like that of religion which binds us in partnership in the serious work of the world.
The Christian religion not only was at first attended with miracles, but even at this day cannot be believed by any reasonable person without one.
Disagreements between incompatible beliefs cannot be settled by reasoned argument because reasoned argument is drummed out of those trained in religion from the cradle.
I respect only those who resist me, but I cannot tolerate them.
Science cannot resolve moral conflicts, but it can help to more accurately frame the debates about those conflicts.
Socialists make the mistake of confusing individual worth with success. They believe you cannot allow people to succeed in case those who fail feel worthless.
Society cannot exist without law. Law is the bond of society: that which makes it, that which preserves it and keeps it together. It is, in fact, the essence of civil society.
I think if you give in and accept society's stereotypes, then you start thinking, 'I cannot dance till late at night because I'm 70.'
Stop relying only on technology. Technology can help the qualified, well-trained human being but cannot replace him.
The moment you start to talk about playing music, you destroy music. It cannot be talked about. It can only be played, enjoyed and listened to.
I do not sing nor play, but I adore music, particularly Chopin. I like him because I cannot understand him.
Today we see a human population of over 6 billion people, many of whom have serious medical conditions, which either can't be treated or cannot be treated economically.
Day and night cannot dwell together. The Red Man has ever fled the approach of the White Man, as the morning mist flees before the morning sun.
You can be in Tokyo or Alberta at four in the morning in your hotel and you can still practice if you feel like it. A trombone cannot do that at four in the morning.
Men like Hitler and Stalin and their immediate lieutenants cannot plead in defence of their actions that these were justified by the accepted values of that time.
