There are no creeds in mathematics. – Peter Drucker
A manager is responsible for the application and performance of knowledge. – Peter Drucker

There are no creeds in mathematics. – Peter Drucker
A manager is responsible for the application and performance of knowledge. – Peter Drucker
Concentration is the key to economic results. No other principles of effectiveness is violated as constantly today as the basic principle of concentration. – Peter Drucker
Plans are only good intentions unless they immediately degenerate into hard work. – Peter Drucker
The teacher pretended that algebra was a perfectly natural affair, to be taken for granted, whereas I didnt even know what numbers were. Mathematics classes became sheer terror and torture to me. I was so intimidated by my incomprehension that I did not dare to ask any questions. – Carl Gustav Jung