Singleness of purpose is one of the chief essentials for success in life no matter what may be one's aim.

The secret of success is constancy to purpose.

Success demands singleness of purpose.

Definiteness of purpose is the starting point of all achievement.

What is success? I think it is a mixture of having a flair for the thing that you are doing knowing that it is not enough that you have got to have hard work and a certain sense of purpose.

It is wonderful what strength of purpose and boldness and energy of will are roused by the assurance that we are doing our duty.

One column of truth cannot hold an institution of ideas from falling into ignorance. It is wiser that a person of prudence and purpose save his strength for battles that can be won.

Golf is a game in which one endeavors to control a ball with implements ill adapted for the purpose.

The stigma that was once attached to things society deemed unhealthy served the purpose of making them undesirable. With the stigma gone many people see little reason not to do whatever feels good at the moment.

What we call a democratic society might be defined for certain purposes as one in which the majority is always prepared to put down a revolutionary minority.

Everything in our society is so purposeful.

If by chance some day you're not feeling well and you should remember some silly thing I've said or done and it brings back a smile to your face or a chuckle to your heart then my purpose as your clown has been fulfilled.

It does not just happen. It is disclosed by science that practically one-half of trained intellectual resources are being mobilized for murderous purposes.

The conscious purpose of science is control of Nature its unconscious effect is disruption and chaos.

Don't confuse hypothesis and theory. The former is a possible explanation the latter the correct one. The establishment of theory is the very purpose of science.

Today's preoccupation with physical theories of everything takes a wrong turn from the purpose of science - to question all things relentlessly. Modern physics has become like Swift's kingdom of Laputa flying absurdly on an island above the earth and indifferent to what is beneath.

The main purpose of science is simplicity and as we understand more things everything is becoming simpler.

The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it.

Science will explain how but not why. It talks about what is not what ought to be. Science is descriptive not prescriptive it can tell us about causes but it cannot tell us about purposes. Indeed science disavows purposes.

In LA I mean here's this place full of desperate and sad people who take their only pleasure from destroying others for the purposes of their own self-aggrandizement.

I think as a young actress it's very rare that you read something where you're not either 'the girl' or there to serve some romantic purpose in a male dominated cast.

Today's consumers are eager to become loyal fans of companies that respect purposeful capitalism. They are not opposed to companies making a profit indeed they may even be investors in these companies - but at the core they want more empathic enlightened corporations that seek a balance between profit and purpose.

Basically fundamentalism is a modern phenomenon. In the same way that Hitler evoked a mythological religion of German purity and the glory of the past the Islamists use religion to evoke emotions and passions in people who have been oppressed for a long time in order to reach their purpose.

Think about all the great leaders. Think about Obama. Think about Clinton. Think about Nelson Mandela. Think about all the people that we know who are very successful in business in politics and religion. What are they? They tell purposeful stories. They move people to action by aiming at the heart.