Without tact you can learn nothing.

Tact is the intelligence of the heart

Perseverance and tact are the two great qualities most valuable for all men who would mount, but especially for those who have to step out of the crowd

A spoonful of honey will catch more flies than a gallon of vinegar.

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.