1. this - Noun
2. this - Adverb
3. this - Pronoun
5. this - Determiner
As a demonstrative pronoun, this denotes something that is present or near in place or time, or something just mentioned, or that is just about to be mentioned.
As an adjective, this has the same demonstrative force as the pronoun, but is followed by a noun; as, this book; this way to town.
Source: Webster's dictionaryWhy does man grow spiritually through pain and not through joys and rest? Simply because joy and comfort lead man to be satisfied with the present world. Grief and tribulations lead us to search for a deeper joy, beyond the limits of this life. Seraphim Rose
Nothing is permanent in this wicked world - not even our troubles. Charlie Chaplin
Throughout the day, try to remember God more often. If you feel bad, turn to Him: "Lord, I feel bad, help me." If you feel good: "Lord, glory to You, thank You for this joy." If you are worried about someone: "Lord, I am worried about him, help him." Whatever happens, turn it into prayer. Ambrose of Optina
In this world generous people have no money and those with money are not generous. Persian Proverb
Only two things matter in this world: a son and a daughter. Hindi Proverb
A man in this world without learning is as a beast of the field. Hindi Proverb