As Writeacher is on holiday, I need someone of you, Ms Sue, to check my paragraph. In particular, sentence 1 (?)

"he had daydreamed" and sentence 2 (the whole sentence).
I really hope you can help me.

1)In Chapter ten Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one but two. He is sure that if he can separate his two identities, he will be able to enjoy both lives without guilt or shame. Well before his scientific discoveries, he had daydreamed (?) of separating the good and evil sides which are part of his personality.
2)Robert Louis Stevenson was born in Edinburgh in 1850. He spent most of his childhood in bed because of his poor health and grew up under the influence of his family’s Calvinism.
3)In his adolescence he travelled extensively in search of a more friendly climate. He took up engineering at University following in his father’s footsteps (I need a synonym) but he later gave it up and graduated in law in 1875.
4)He rejected his social environment, the respectable Victorian world, especially his family’s religious principles, becoming one of the first examples of bohemian writers.After he graduated, he devoted himself to writing.
5)He became popular as a novelist in the 1880s. He published The Strange Case of Dr Jekyll and Mr. Hyde in 1886. He died of a brain haemorrhage in 1894.
Plot. The story is told from the point of view of Mr. Utterson, a London lawyer and friend to the brilliant scientist, Dr Henry Jekyll.
6)After relating a disturbing tale of an angry fiend assaulting a small girl, Utterson begins to question the odd behavior of his friend. Actually, his friend has created a potion capable to release his evil side, Mr. Hyde.
7)Once Hyde is released, he achieves domination over the Jekyll aspect so that the individual is left in front of two choices.
8)On one hand, the man may choose a life of crime and depravity, or, on the other hand, the Jekyll aspect must eliminate Hyde by killing him. He eventually opts for the second choice.

1) In Chapter ten, Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one, but two. He is sure that if he can separate his two identities, he will be able to enjoy both lives without guilt or shame. Well before his scientific discoveries, he had daydreamed of separating the good and evil sides which are part of his personality.

To answer your question about the phrase "he had daydreamed," we need to consider the verb tense. In this case, the verb "had daydreamed" is in the past perfect tense. It is used to express an action that happened before another action in the past. In this case, Dr Jekyll's daydreaming of separating his two identities happened before his scientific discoveries. By using the past perfect tense, you establish a clear sequence of events, indicating that the daydreaming occurred earlier.

2) Robert Louis Stevenson was born in Edinburgh in 1850. He spent most of his childhood in bed because of his poor health and grew up under the influence of his family's Calvinism.

To answer your question about the sentence, there doesn't seem to be any specific issue with the whole sentence. It provides background information about Robert Louis Stevenson, his birthplace, and the influence his family's Calvinism had on him. However, it is always a good idea to double-check for grammar or clarity, and if you have any specific concerns, feel free to ask for clarification.