The speaker is the poet who enjoyed watching the natural sceneries from the railway compartment His railway journey proved to be a source of great happiness for him The railway journey provided him a great and enjoyment and pleasurable also
It means nothing good stays forvever the author is negative towards it
You can write more about do exercise regularly like how to do it or what is your way to do it . Also to tell your classmates how to keep a healthy diet like the notes mentioned . Moreover to remind them to have enough sleep so that they can concentrate on their work in daytime .
You can do it !!! ☺
Hope these can help you .....
This is the Gerund: Gerund is formed by adding -ing to the verb stem: for example: do-ing; mak-ing, kiss-ing.
It can be used as a noun, but also in other positions, but here is an example for the noun use:
Kissing Paul was a good idea.