That was his personal opinion and he aslo favours Ice and he says that ice is also capable of destroying this world

Understanding Frost's Choice: Fire vs. Ice
Robert Frost's poem "Fire and Ice" explores the duality of human emotions and their potential to lead to destruction. His preference for fire over ice as a metaphor for the end of the world is deeply rooted in the symbolism of these two elements.
The Symbolism of Fire
- Passion and Desire: Fire represents intense emotions such as passion, desire, and love. Frost associates these feelings with the potential for destruction due to their overwhelming nature.
- Immediate Destruction: The imagery of fire suggests a quick, fiery end. This can be seen as a metaphor for how unchecked desires can rapidly lead to chaos and annihilation.
The Symbolism of Ice
- Coldness and Indifference: Ice symbolizes hatred, apathy, and emotional detachment. Frost presents ice as a slower, more insidious form of destruction.
- Gradual Destruction: Unlike fire, ice represents a slow, methodical demise, reflecting how hatred can gradually erode relationships and humanity itself.
Frost's Preference for Fire
- More Intense Experience: Frost's choice of fire over ice suggests a belief that passionate emotions, even when destructive, are preferable to the chilling coldness of hatred and indifference.
- Human Connection: Fire implies a connection to human experiences, while ice represents a disconnect. Frost seems to advocate for the intensity of life, even if it leads to destruction.
In summary, Frost's preference for fire over ice encapsulates his view on the nature of human emotions, favoring passionate intensity over the coldness of indifference and hatred.