निम्नलिखित वाक्यांशों के लिए एक सही 'शब्द' चयन करके लिखिए।
(i) जो शिक्षा देता है -
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. that maintaining a positive attitude
Q. even in difficult situations
R. is essential for success
S. and helps overcome obstacles effectively