8 of the Week's Best Business Tweets Fresh shots of wisdom, in 140 inspiring characters or fewer.

By Kim Lachance Shandrow

Opinions expressed by Entrepreneur contributors are their own.

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Whether you're in the market for lasting inspiration or a quick pick-me-up, these recent tweets from influencers at businesses big and small have you covered.

Here's a batch of gems we mined from Twitter to help you kick off the weekend on the right foot, in 140 characters or fewer each.

This week's eight best business tweets are:

1. Jeannette Jenkins, nutritionist and personal trainer

Bottom line: Be accountable.

2. Jason Fried, Basecamp co-founder and CEO

Know when to bring something up and when to pipe down.

3. Carol Roth, author, speaker, Entrepreneur contributor

Know your worth and demand it.

Related: 25 Digital-Marketing and Social-Media Experts to Follow on Twitter

4. Craig Shapiro, founder of the investment fund Collaborative

Convince the customer first.

5. Daymond John, serial entrepreneur, celebrity investor on Shark Tank.

Don't wait to chase your dreams.

6. Carrie Wilkerson, speaker, author, entrepreneur

Ignore the haters.

Related: 7 Entrepreneurs You Should Follow on Twitter

7. Aaron Levie, co-founder and CEO of Box

Think digital business.

8. Matthew Bellows, founder and CEO of Yesware.

Examine your thoughts.

Kim Lachance Shandrow

Former West Coast Editor

Kim Lachance Shandrow is the former West Coast editor at Entrepreneur.com. Previously, she was a commerce columnist at Los Angeles CityBeat, a news producer at MSNBC and KNBC in Los Angeles and a frequent contributor to the Los Angeles Times. She has also written for Government Technology magazine, LA Yoga magazine, the Lowell Sun newspaper, HealthCentral.com, PsychCentral.com and the former U.S. Surgeon General, Dr. C. Everett Coop. Follow her on Twitter at @Lashandrow. You can also follow her on Facebook here

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