Where there is no God, all is permitted.
Sometimes misquoted as “If there is no God, everything is permitted.”
What is permitted is not always wise.
Barack Obama happens to be the first African-American, and so criticism of him is and always was gonna be racism, and therefore not permitted.
I think there's an enormous value to being negative. The world we live in today, negativity is not permitted.
Drugs are nihilistic: they undermine all values and radically overturn all our ideas about good and evil, what is just and what is unjust, what is permitted and what is forbidden.
There is no learned man but will confess be hath much profited by reading controversies,--his senses awakened, his judgment sharpened, and the truth which he holds firmly established. If then it be profitable for him to read, why should it not at least be tolerable and free for his adversary to write? In logic they teach that contraries laid together, more evidently appear; it follows then, that all controversy being permitted, falsehood will appear more false, and truth the more true; which must needs conduce much to the general confirmation of an implicit truth.
Liberty consists in the power of doing that which is permitted by the law.
We need only think of the number of talented men who sooner or later make their apologies and concessions to philistinism, so as to be permitted to exist.