Be courteous to all, but intimate with few, and let those few be well tried before you give them your confidence.

Be courteous to all, but intimate with few, and let those few be well tried before you give them your confidence.

对所有人都要有礼貌，但对少数人要有亲密的关系，让那些少数人在你给他们信心之前得到充分的考验。

-- George Washington 乔治华盛顿