Effectiveness vs Efficiency

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

Peter Drucker

Theory And Data

“It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts”

Sherlock Holmes – A Scandal in Bohemia

Building Tall Towers

"The higher your structure is to be, the deeper must be its foundation."

Saint Augustine

Fishing Practice

“He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.”

Leonardo da Vinci

Value of Preparation

“There is no bad weather, just bad clothing.”

Swedish maxim