每日原則：根據目標和優先次序來確定採用什麼樣的溝通方式

如果你的目標是讓持不同意見的人討論他們的分歧，力圖對事實和解決方案取得共識（進行頭腦開放的辯論），則會議的方式應當有別於培訓會。辯論比較耗時，會議時間隨人數增加會呈幾何級增長，因此你必須挑選對的人以及適當的人數，以適合決策所需。在任何討論中，都要把與會者限定於你認為對實現你的目標最有幫助的人。挑選與會者最差的方式就是挑選那些與你觀點相同的人。群體思維（大家都不表達獨立觀點）和個體思維（個人拒不接受別人的觀點）都是危險的。

If your goal is to have people with diﬀerent opinions work through their diﬀerences to try to get closer to what is true and what to do about it (open-minded debate), you will run your meeting diﬀerently than if its goal is to educate. Debating takes time, and that time increases exponentially depending on the number of people participating in the discussion, so you have to carefully choose the right people in the right numbers to suit the decision that needs to be made. In any discussion try to limit the participation to those whom you value most in light of your objectives. The worst way to pick people is based on whether their conclusions align with yours. Group-think (people not asserting independent views) and solo-think (people being unreceptive to the thoughts of others) are both dangerous.