It says in Proverbs1 that a fool has no desire to understand, merely to express his own opinion. Proverbs2 also says that those who hate correction are stupid. When we speak the truth, do people often seek to test or understand what was said or what was meant? No, like the fool in Proverbs they express their opinions about you, or why you are “just wrong”.
The cost of not speaking the truth is higher, because to love is to speak the truth.3 Not loving one another is akin to spitting on God and the sacrifice Jesus made for us.4