
Motivation is a fine example of social complexity. It is nonlinear and sometimes unpredictable. It cannot be defined or modeled with a single diagram. —
Jurgen Appelo

The end may be defined as life in accordance with nature or, in other words, in accordance with our own human nature as well as that of the universe. —
Zeno Of Citium

Now defined as art, the totem has lost cult, taboo, and custom. —
Mason Cooley

Heros aren't defined by the way they die but how they live. —
Oliver North

Oddly, the meanings of books are defined for me much more by their beginnings and middles than they are by their endings. —
Lev Grossman

Energy of will may be defined to be the very central power of character in a man. —
Samuel Smiles

War defined my entire childhood and youth and most of my adulthood too - and in the US, it continues to do so. —
Ru Freeman

The "us versus them" mindset coupled with our social nature implies that we have an innate need to belong to clearly defined in-groups. —
Gad Saad

I am not especially defined by my sex life, nor complete without it. —
Paula Gunn Allen

You are not defined by your past. You are prepared by your past. —
Joel Osteen

Make sure each team has a clearly defined output. —
Geir Isene

What you do with your time alive defines you, Reader, but hear me, I beg you, when I say that you are not done being defined. —
Daniel Kraus

Beauty, as defined by society at large, seemed to be only about who was best at looking like everyone else. —
Lucy Grealy

I shall not be defined by what I have suffered but how I have endured them. —
Donna Lynn Hope

As for political poetry, as it's usually defined, it seems there's very little good political poetry. —
Kenneth Koch

Horror, for me, is not defined by the thing that provokes one's fear, but the human being who has contact with it. —
Andrew Pyper

Love-real love-can't be defined. It just is. —
Elizabeth Scott

As a schoolboy, poetry seemed defined by preciousness. It was all very rarefied. —
Simon Schama

Abundance is not defined by possessions, but it is defined by inner perceptions. —
Debasish Mridha

Peace?' said Vetinari. 'Ah, yes, defined as period of time to allow for preparation for the next war. —
Terry Pratchett

It occurred to him now that people are defined much more by their association with death than by what they do in life. —
Karan Mahajan

Life is not defined by what you achieve, but what you give. —
Debasish Mridha

Chemists have always been in the business of taking atoms and putting them together with other atoms with precisely defined connections. —
George M. Whitesides

Matter can simultaneously be defined as a solid (particle) and as an immaterial force field (wave). —
Bruce H. Lipton

By 1776 the American revolutionaries had defined "despotism" down to the level of taxing tea and quartering soldiers. At —
Steven Pinker

Maybe it's something which can't be defined," Enso Roshi says. "Maybe it's a question, to be lived. —
T. Scott McLeod

All that I am. All that I will be is defined by this moment. —
Truth Devour

Everyday that passes I am pulled from youth as how it has been defined by that culture into something else. —
Jacob Bannon

Distance does not define your destination; it is defined by your thoughts. —
Debasish Mridha

I am my clients.
I am defined by who I do business with. —
Tom Peters

Maybe I don't want to be defined by what I do. Maybe I'd like to be defined by what I am. —
Nicholas Sparks

Who I am as a guitarist is defined by my failure to become Jimi Hendrix. —
John Mayer