泰戈尔的一首著名英文诗是《Good Morning》，这首诗非常适合提升好心情。以下是这首诗的全文：

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Good Morning

The morning light has come,

And the dewdrops shine on petals,

Rays of sun caress my face,

Welcoming a brand new day.

The world awakens with a smile,

Birds are singing in harmony,

Nature dances to its own tune,

As I embrace the beauty around.

With gratitude, I breathe in fresh air,

Washing away any remnants of despair,

In each moment, I find joy,

For today is a gift to enjoy.

Let worries fade like morning mist,

And doubts be replaced by hope,

With a heart full of love and peace,

I step into the day with ease.

Good morning, world, let's embrace,

The wonders that life has in place,

With a smile and a grateful heart,

I start a brand new start.

```

这首诗通过描绘早晨的美景和自然的和谐，表达了诗人对生活的热爱和对新一天的期待。希望这首诗能为你带来好心情。