"If winter comes, can spring be far behind?" This quotation is by -

This line is taken from P.B. Shelley's poem, "Ode to the West Wind."

Percy Bysshe Shelley:
- He was born in Aug. 4, 1792, Field Place, near Horsham, Sussex, England
- He died on July 8, 1822 (aged 29) at Mediterranean Sea in Italy. 
- This English poet was an atheist and expelled from Oxford University in 1811 due to his publication of a pamphlet named “The necessity of Atheism”.
- He believed that only revolution can change our society. So that he is called “Revolutionary Poet”.
- He is also called “The poet of Hope and Regeneration”.
- Shelly mourns over the death of John Keats in his famous elegy “Adonais”.

P. B. Shelley's Best Works: 
- Prometheus Unbound
- The Cenci
- Queen Mab
- Hymn to Intellectual Beauty
- Adonais
- To a Skylark
- Ode to the West Wind
- Mont Blanc

Source: Encyclopedia of Britannica.