Stanza-1
The way a crow
Shook down on me
The dust of snow
From a hemlock tree
Explanation: The poet, Robert Frost, recounts a small incident that changes his mood. It seems very simple but it has a great significance. The poet was, once, very depressed and hopeless. He was in a state of sorrow and was lost in his thoughts. He was standing under the hemlock free. Suddenly a crow, that was sitting on the tree, shook the tree and the fine particles of snow from the tree fell on the poet.
Stanza-2
Has given my heart
A change of mood
And saved some part
Of a day I had rued.
Explanation: When the soft and cold snow fell on the poet, it changed his mood from the state of sadness to happiness. He started feeling soothed (peaceful and refreshed. This simple incident helped him enjoy the remaining part of the day. He, thus, became happy as it saved his rest of the day from being wasted and held in regret.
Conclusion of Dust of Snow
The poem teaches us a lesson that every small act in life can illuminate our soul and motivate us to do better.