It does not matter whether you are a theist or atheist, what matters is sincerity, forgiveness, and compassion.
From adversity we can learn the value of patience.
The only way to fail is to quit.
The need for love lies at the very foundation of human existence.
Sectarian feelings and criticism of other teachings or other sects is very bad, poisonous, and should be avoided.
Not only can I not recall my experiences in my previous lives, sometimes I can't even remember what I did yesterday.