'योजना भविष्य को पकड़ने के लिए एक पिंजरा (जाल) है।' यह कथन किसका है?

Consider the following statements about 'Planning': I. The idea of planning first emerged in applied form, and its theoretical concepts came later. II. Planning strictly means judicious utilization of indigenous resources only. III. Planning needs to have specific goals and objectives. Which of the above statements are correct?

Which of the following is NOT a key intellectual quality required by a manager to succeed in planning?