What exactly is mathematics? Many have tried but nobody…

One defining symptom of decadence is a fondness for vast and nonsensical extravagance.

— Robert Silverberg

Good history is a question of survival. Without any past, we will deprive ourselves of the defining impression of our being.

— Ken Burns

I never left my roots. You can identify me as someone that didn't become high and mighty. Humility is a defining [trait] all of…

— Serena Williams

I think the word 'soul' - it depends on what you define by 'soul.' If you're defining it as a mystical aura that is…

— Miguel Nicolelis

“There are no defining moments. There are only your moments to define.”

— Thomas B Dowd

My journey has been a long one and has still got a long way to go. I think we are so used to defining…

— Emma Corrin

“Defining the Renaissance Man “A man can do all that he will.”

— Scott Griffiths and Eric Elfman

The defining aspects of westerns are still pretty much in place - namely landscape and conflict. In other books the conflict can be internal,…

— Elizabeth Crook

Our concepts structure what we perceive, how we get around in the world and how we relate to other people. Our conceptual system thus…

— George Lakoff

It's imprecise and insufficient, defining the homosexual as a person whose gender expression is at odds with his or her sex.

— Alison Bechdel

Modern societies accepted the treasures and the power offered them by science. But they have not accepted - they have scarcely even heard -…

— Jacques Monod

I met people on college campuses who were defining themselves as genderqueer to express revolutionary feelings, or to communicate their individuality; they were gender…

— Andrew Solomon

Using less of the Earth’s resources more efficiently and productively in a circular economy and making the transition from carbon-based fuels to renewable energies…

— Jeremy Rifkin

Autonomy means women defining themselves and the values by which they will live, and beginning to think of institutional arrangements which will order their…

— Gerda Lerner

I think TARP was the most defining vote since I've been in Congress. It was wrong. You don't nationalize private - it was wrong.…

— Louie Gohmert