Theory:

The wind blows out weak fires.
He makes strong fires roar and flourish.
His friendship is good.
We praise him every day.
Explanation:
 
The wind can stand only against a weak fire. For example, wind can put out the candle fire. But it cannot put off a wildfire because it is much bigger and stronger than the candle fire.
 
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The wind blows out weak fires!
 
The wind makes the strong fire blaze higher and more intensely. Similarly, if we are strong, the barriers will make us stronger. If we are weak, the problems and hurdles in our life will put us off.
 
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He makes strong fires roar and flourish.
 
Thus if you are strong, the wind can be your friend. We can appreciate his friendship every day. Without wind, life forms cannot survive on this earth. It is one of the most important elements like fire, water, etc. The poet also asks us to be strong and determined so that nothing can defeat us.
 
Meanings of difficult words:
 
S.No
Words
Meanings
1
Flourishthrive, prosper in a vigorous way
2
Praiseexpress approval, appreciate
Reference:
National Council of Educational Research and Training (2006). Beehive. Wind - A.K.Ramanujan (pp. 30-31). Published at the Publication Division by the Secretary, National Council of Educational Research and Training, Sri Aurobindo Marg, New Delhi.