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Dear Teachers, could you please check the following sentence for grammar and vocabualry?

Your infinite cheerfulness and kindness, like the luminous rays of a never-setting sun, inspire only the best in all of us.

Thank you very much for your help!

Spring
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Hello Spring

Yes, it sounds fine to me too. Some people might say that 'luminous' is already included in 'rays', and so 'luminous rays' is a tautology.

MrP
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But x-rays are not luminous.
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Comments  
Sounds fine to me (I'd like to receive such a letter some day!)
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 CalifJim's reply was promoted to an answer.
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