KeenBrain

Quotes Authors Topics

KeenBrain

KeenBrain

Quotes Authors Topics Keywords Nationalities Professions

Login Sign up

Authors: All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

All quotes by Peter Drucker

Share this page on

Efficiency is doing things right; effectiveness is doing the right things.

Topics: None

Keywords: None

Suggest an edit

Cite the Source

Save to Favorites

Biography

Nationality: American

Type: Businessman

Born: November 19th, 1909

Died: November 11th, 2005

Links

Find Peter Drucker on Amazon

Related Authors

Rony Abovitz

Ken Blanchard

A. James Clark

Thomas Dewar

Edward Johnson, Iii

Li Lu

Mark Mccormack

Lionel Sosa

Stef Wertheimer

Roy H. Williams

Popular Authors

Agatha Christie Sigmund Freud H. Jackson Brown, Jr. James Madison Charles De Montesquieu Dolly Parton George Bernard Shaw Andy Warhol

Change your beliefs...change your life.

Get a related quote or insight every day.

(it's 100% free)

Follow Us On

Today's Birthdays

1304 - Petrarch

1804 - Richard Owen

1847 - Max Liebermann

1919 - Edmund Hillary

1920 - Arthur Boyd

1920 - Elliot Richardson

1924 - Thomas Berger

1925 - Frantz Fanon

1930 - Chuck Daly

1932 - Otto Schily

Birthdays on July 20th

All Birthdays

Popular Topics

Best Cool Independence Intelligence New Year's Patience Pet Positive

Site

Home Authors Topics Keywords Quote of the Day Professions Birthdays Nationalities Submit a Quotation

Company

About Careers Contact Advertise Privacy Terms

How To Reach Us

San Francisco, California

Contact

support@keenbrain.com

Follow Us On

How To Reach Us

San Francisco, California

Contact

support@keenbrain.com

Follow Us On

© 2026 KeenBrain, All Rights Reserved.

Loading...

Account activated successfully!

Sign in to Get Daily Tips from KeenBrain and become the best person you can be!

Dont't have a account? Create Account

Sign In with Facebook

Or

Sign In with Google

Or

Lost your password? Keep me logged in

Dont have an account? Create Account

Create a KeenBrain Account to Get Daily Tips! and become the best person you can be

Have a KeenBrain account? Sign in

Sign Up with Facebook

Or

Sign Up with Google

Or

Sign up for the Newsletter.

A Daily email of Tips for you!

Have an account? Sign In

Suggest an Edit

Do your bit in maintaining the most accurate and informative source of quotes in existence! If this quote needs to be updated (e.g incorrect information, spelling errors, additional topics or keywords needed), please let us know

Name*

Email*

Message*

CITE THIS SOURCE

Using the appropriate style guide, simply copy and paste the information below to add the citation to your bibliography.

American Psychological Association (APA):

Quote By KeenBrain. Retrieved July 20, 2026, from

Modern Language Association (MLA):

“Quote By ” KeenBrain. n.d. Mon. 20 July. 2026 from

Chicago Manual Style (CMS):

“Quote By ” KeenBrain. Accessed July 20, 2026.

Suggest an Edit

Do your bit in maintaining the most accurate and informative source of quotes in existence! If this quote needs to be updated (e.g incorrect information, spelling errors, additional topics or keywords needed), please let us know

Name*

Email*

Message*

CITE THIS SOURCE

Using the appropriate style guide, simply copy and paste the information below to add the citation to your bibliography.

American Psychological Association (APA):

Quote By Peter Drucker KeenBrain. Retrieved July 20, 2026, from

/quotes/quote/p/peter_drucker_134881">

Modern Language Association (MLA):

“Quote By Peter Drucker” KeenBrain. n.d. Mon. 20 July. 2026 from

/quotes/quote/p/peter_drucker_134881">

Chicago Manual Style (CMS):

“Quote By Peter Drucker” KeenBrain. Accessed July 20, 2026.

/quotes/quote/p/peter_drucker_134881">

Collect Quote

Please first Login to your account or Register