25 Powerful Quotes Entrepreneurs Can Use to Motivate and Inspire Steve Jobs weighs in on wasting time, Ralph Nader defines the function of leadership and Warren Buffett warns about guarding your reputation.

By Jonathan Long

Opinions expressed by Entrepreneur contributors are their own.

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Thomas A. Edison

Being an entrepreneur can be an emotional ride, with ups, downs, joy and disappointment. Sometimes a little piece of advice or wisdom from a brilliant mind can help you motor through even the most difficult of times.

Related: Top 10 Online Book Clubs For Entrepreneurial Inspiration

I recently put together a list of 25 powerful quotes that we are turning into vinyl decals for my company's office walls, and I wanted to share them with you -- to print out or share on social media. You could also bookmark this page and come back to it when you need some inspiration and motivation. Here they are:

Choose a job that you like

"Choose a job that you like, and you will never have to work a day in your life." -- Confucius

As long as you're going to be thinking

"As long as you're going to be thinking anyway, think big." -- Donald Trump

Entrepreneurship is living a few years of your life like

"Entrepreneurship is living a few years of your life like most people won't so you can spend the rest of your life like most people can't." -- Student (unidentified) of Warren G. Tracy

A leader is one who knows the way

"A leader is one who knows the way, goes the way and shows the way." -- John C. Maxwell

Whatever the mind can conceive and believe

"Whatever the mind can conceive and believe, the mind can achieve." -- Napoleon Hillgs, do small things in a great way." -- Napoleon Hill

I have not failed

"I have not failed. I've just found 10,000 ways that won't work." -- Thomas Edison

It's fine to celebrate success

"It's fine to celebrate success but it is more important to heed the lessons of failure." -- Bill Gates

Keep away from people who

"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great." -- Mark Twain

The function of leadership is

"The function of leadership is to produce more leaders, not more followers." -- Ralph Nader

If you cannot do great things

"If you cannot do great things, do small things in a great way." -- Napoleon Hill

Genius is 1 percent inspiration

"Genius is 1 percent inspiration, and 99 percent perspiration." -- Thomas Edison

Related: 30 Inspirational Quotes for Entrepreneurs (Infographic)

Success is walking from failure

"Success is walking from failure to failure with no loss of enthusiasm." -- Winston Churchill

What is not started

"What is not started will never get finished" -- Johann Wolfgang von Goethe

Formal education will make you a

"Formal education will make you a living; self-education will make you a fortune." -- Jim Rohn

When you cease to dream

"When you cease to dream, you cease to live." -- Malcolm Forbes

Your most unhappy customers

"Your most unhappy customers are your greatest source of learning." -- Bill Gates

An entrepreneur is someone who

"An entrepreneur is someone who jumps off a cliff and builds a plane on the way down." -- Reid Hoffman

Winners never quit

"Winners never quit, and quitters never win." -- Vince Lombardi

Everyone has ideas

"Everyone has ideas. They may be too busy or lack the confidence or technical ability to carry them out. But I want to carry them out. It is a matter of getting up and doing it." -- James Dyson

Your time is limited

"Your time is limited, so don't waste it living someone else's life." -- Steve Jobs

Success is not

"Success is not what you have, but who you are." -- Bo Bennett

The price of success is

"The price of success is hard work, dedication to the job at hand and the determination that whether we win or lose, we have applied the best of ourselves to the task at hand." -- Vince Lombardi

It takes 20 years to build a reputation

"It takes 20 years to build a reputation and five minutes to ruin it. If you think about that, you'll do things differently." -- Warren Buffett

Logic will get you from A to B

"Logic will get you from A to B. Imagination will take you everywhere." -- Albert Einstein

Twenty years from now you will be more disappointed by

"Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -- Mark Twain

Related: 8 Motivational Quotes for 2016

Jonathan Long

Founder, Uber Brands

Jonathan Long is the founder of Uber Brands, a brand-development agency focusing on ecommerce.

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