It's dangerous to assert oneself.

Hasting - There are times when it is one's duty to assert oneself.

— Agatha Christie

To know oneself, one should assert oneself.

— Albert Camus

What we love intensely or for a long time we are likely to bring within the citadel, and to assert as part of oneself.

— Nicolas Chamfort

“Never being on the shortlist of people’s attention may arouse a sensation of desolation but may, all together, be an expectant challenge to excel…

— Erik Pevernagie

If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.

— Neil deGrasse Tyson

You can't assert an answer just because it's not something else.

— Isaac Asimov

I do not mean that you could continue to do this with propriety or even with safety; I merely assert that the power is,…

— Jay Alan Sekulow

So the history of discovery, particularly cosmic discovery, but discovery in general, scientific discovery, is one where at any given moment, there's a frontier.…

— Neil deGrasse Tyson

To assert that it is possible to establish peace between men of different nations is simply to assert that man, whatever his ethnical background,…

— Leon Bourgeois

Indeed, the whole point of the man bun, I have surmised, is to assert a high proficiency at yoga. There are no yoga-achievement badges,…

— Russell Smith

All over the world, young males and females, schooled in the art of patriarchal thinking, are building an identity on a foundation that sees…

— bell hooks

I'm always made a little uncomfortable by studies that assert that Millennials are the most narcissistic generation in history. To me, being young has…

— Robin Marantz Henig

And also I assert our interest in respecting all our obligations and implementing all our commitments. And will save no effort whatever to protect…

— Mahmoud Abbas

I would assert that highly effective leaders are made more than they're born. Every leader I know who's been highly effective has worked hard…

— Douglas Conant

Sometimes people who adamantly assert an opinion or view don't even hold it themselves.

— David J. Lieberman