Meaning of the word "speak fair and think what you like" in English

What does "speak fair and think what you like" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

speak fair and think what you like

US /spiːk fer ænd θɪŋk wʌt juː laɪk/
UK /spiːk feə ænd θɪŋk wɒt juː laɪk/
"speak fair and think what you like" picture

Idiom

to maintain a polite or agreeable outward appearance while holding one's own private opinions or disagreements

Example:
In politics, it is often necessary to speak fair and think what you like to maintain alliances.
He decided to speak fair and think what he liked during the meeting to avoid a confrontation.