"Dangerous" does not mean exciting or bold; it means likely to cause great harm. The most dangerous idea is the only dangerous idea: The idea that ideas can be dangerous.

In every community there is a class of people profoundly dangerous to the rest. I don't mean the criminals. For them we have punitive sanctions. I mean the leaders. Invariably the most dangerous people seek the power. While in the parlors of indignation the right-thinking citizen brings his heart to a boil. (p. 51)

A dangerous person to disagree with.

Dangerous women are those who challenge the status quo, defy gender norms and stereotypes, often at personal risk, and who refuse to be charming just for an easy life. Now, as in the past, and across cultures, who is deemed a "dangerous" woman is generally decided by those who oppose them.

Desperate people are the most dangerous.

Listen for dangerous words.

Dangerous thing, a name. Someone might catch hold of you by it, mightn't they?

"He said you were very dangerous."
"No more dangerous than anyone else who dares to speak the truth."

The most dangerous man to any government is the man who is able to think things out for himself, without regard to the prevailing superstitions and taboos. Almost inevitably he comes to the conclusion that the government he lives under is dishonest, insane and intolerable, and so, if he is romantic, he tries to change it. And even if he is not romantic personally he is very apt to spread discontent among those who are.

The most dangerous man to any government is the man who is able to think things out for himself, without regard to the prevailing superstitions and taboos. Almost inevitably he comes to the conclusion that the government he lives under is dishonest, insane, and intolerable...

Live dangerously.

The most dangerous people in the world are not the tiny minority instigating evil acts, but those who do the acts for them – for a paycheck. To act without a conscience, but for a paycheck, makes anyone a dangerous animal. The devil would be powerless if he couldn’t entice people to do his work. So as long as money continues to seduce the hungry, the hopeless, the broken, the greedy, and the needy, there will always be war between people.

The most dangerous person is the one who listens, thinks and observes.

They said, “You are a savage and dangerous woman.”I am speaking the truth. And the truth is savage and dangerous.