Text: thank you so much for all you do! i am doing very nicely using all your advice.

Correct capitalization: Thank you so much for all you do! I am doing very nicely using all your advice.

Text: christianity is the religion that most people in sweden who have been here for 1,000 years. christians believe that jesus was the son of god.

Correct capitalization: Christianity is the religion that most people in Sweden who have been here for 1,000 years. Christians believe that Jesus was the Son of God.

Text: house of water is a suggestion for a holistic building that connects the public with new solutions and basic knowledge of how everyday life is associated with global urbanization challenges.

Correct capitalization: House of Water is a suggestion for a holistic building that connects the public with new solutions and basic knowledge of how everyday life is associated with global urbanization challenges.

Text: he wrote in his diary:

Correct capitalization:
He wrote in his diary: