Nietzsche should not be taken seriously as a political theorist, at least not at the level of his positive prescriptions. But the Nietzsche who denounces the insipidity and mediocrity that result from democracy's levelling impulses could not be more acute.

I came to poetry through the urgent need to denounce injustice, exploitation, humiliation. I know that's not enough to change the world. But to remain silent would have been a kind of intolerable complicity.

When political leaders fail to denounce anti-Semitic violence and slurs, the void is not only demoralizing to the victims, but silence actually enables the wrongdoing. Silence by elected officials in particular conveys approval - or at least acquiescence - and can contribute to a climate of fear and a sense of vulnerability.

Extremism in defense of liberty is not a vice, but I denounce political extremism, of the left or the right, based on duplicity, falsehood, fear, violence and threats when they endanger liberty.

By the 1980s, businesses had realized that environmental issues had a price tag. Increasingly, they balked. Reflexively, the anticorporate Left pivoted; Earth Day, erstwhile snow job, became an opportunity to denounce capitalist greed.

Muslims must speak out and explain who they are, what they believe in, what they stand for, what is the meaning of their life. They must have the courage to denounce what is said and done by certain Muslims in the name of their religion.

To say nothing is saying something. You must denounce things you are against or one might believe that you support things you really do not.

It is the natural tendency of the ignorant to believe what is not true. In order to overcome that tendency it is not sufficient to exhibit the true; it is also necessary to expose and denounce the false. To admit that the false has any standing in court, that it ought to be handled gently because millions of morons cherish it and thousands of quacks make their livings propagating it-to admit this, as the more fatuous of the reconcilers of science and religion inevitably do, is to abandon a just cause to its enemies, cravenly and without excuse.

It's not unpatriotic to denounce an injustice committed on our behalf, perhaps it's the most patriotic thing we can do.

Once, when a religionist denounced me in unmeasured terms, I sent him a card saying, "I am sure you believe that I will go to hell when I die, and that once there I will suffer all the pains and tortures the sadistic ingenuity of your deity can devise and that this torture will continue forever. Isn't that enough for you? Do you have to call me bad names in addition?

"Thus with my lips have I denounced you, while my heart, bleeding within me, called you tender names.

No true believer could be intolerant or a persecutor. If I were a magistrate and the law carried the death penalty against atheists I would begin by sending to the stake whoever denounced another.

The biggest danger to the European Union comes not from those who advocate change but from those who denounce new thinking as heresy. In its long history Europe has experience of heretics who turned out to have a point.

I came to poetry through the urgent need to denounce injustice exploitation humiliation. I know that's not enough to change the world. But to remain silent would have been a kind of intolerable complicity.