Increasing Imaan 3: Company, Character and the Akhirah

In a nutshell
Growing faith through good company, good character, serving others and remembering death.
From the Qur'an
To be added: verse text, translation, surah and verse number.
From the Sunnah
To be added: hadith text, translation, collection, number and grading.
In simple words
To be written.
Common misunderstandings
To be written.
What to take away
To be written.
References
To be added.
Editor notes (remove before publishing)
Planned anchors, to verify when collecting: Qur'an 18:28; righteous companion hadith (Bukhari 2101)