Integrity

~Being strong with your principles and morals all while being a sincere person 

Synonyms:

~Honest
~Righteousness
~Sincere
~Ethics
~Probity
~Virtue

Example 1.

A person not letting themselves be demoralized by the influence of delinquents or certain individuals persuasions 

Example 2.

Having full trust in your beliefs whether people believe them to be right or wrong 

Example 3.

Being a just and truthful person of quality principles