Kokoro no Maki (Book of the Heart)

The following is a very inspiring text I found while reading a book titled Budo Secrets.  While researching the text, I was unsuccessful in locating the author, and date of its composition. It is originally from Japan.  I believe it is full of advice and reminders of how to liberate ourselves from suffering and attachment.  I hope you'll enjoy it as much as I do.

Kokoro No Maki - Book of the Heart
When the heart is full of things, the body feels constrained; when it is empty, the body feels expansive.
When there is too much reserve in the heart, love and respect are lost; when it is free of reserve, love and respect are gained.
When the heart is full of base passion, principles are forgotten; when it is free of base passion, principles are remembered. 
When the heart is set on gaudy things, appearances are falsified; when it is free of artifice, appearances are real.
When the heart is full of pride, others are begrudged; when it is free of pride, others are respected.
When the heart is full of oneself, others are doubted; when it is selfless, others are trusted.
When the heart is full of error, others appear frightening; when it is free of error, there is nothing to fear.
When the heart is full of obstructions, others are harmed; when it is free of obstructions, no one is harmed.
When the heart is full of covetousness, others are flattered; when it is free of covetousness there is no need to flatter.
When the heart is full of anger, words are spoken harshly; when it is free of anger, words are pacific.
When the heart is full of patience, everything can be set in order; when it is not patient, everything collapses.
When the heart is full of self-importance, the goodness of others is ignored; when it is free of self-importance the goodness of others is appreciated.
When the heart is full of greed, requests are endless; when it is free of greed, nothing extra is needed.
When the heart is full of illusion, others are blamed; when it is free of illusion, no one is scorned.
When the heart is full of sincerity, contentment is easy; when it is not sincere, there will be no contentment.