Silence is not always tact, and it is tact that is golden, not silence.

Silence and tact may or may not be the same thing.

Tact is the unsaid part of what you think.

I sing not because I have the talent but, because in a song I can be tactless without being rude.

Tact consists in knowing how far to go too far

Tact is one of the first mental virtues, the absence of which is often fatal to the best of talents; it supplies the place of many talents.