I do not dispute with the world; rather it is the world that disputes with me.
(Samyutta Nikaya)

All experiences are preceded by mind, having mind as their master, created by mind.
(Dhammapada)

If with a pure mind a person speaks or acts, happiness follows them like a never-departing shadow.
(Dhammapada)

Radiate boundless love towards the entire world.
(Karaniya Metta Sutta)

Just as a mother would protect her only child with her life, even so let one cultivate a boundless love towards all beings.
(Karaniya Metta Sutta)

Speak only endearing speech, speech that is welcomed. Speech, when it brings no evil to others, is a pleasant thing.
(Sutta Nipata)

Whatever is not yours: let go of it. Your letting go of it will be for your long-term happiness & benefit.
(Samyutta Nikaya)

Whatever has the nature of arising has the nature of ceasing.
(Kimsuka Sutta)

Understanding is the heartwood of well-spoken words.
(Kimsila Sutta)