和那些挑战你的人在一起，而不是只会附和你的人。
If your opinions on one subject can be predicted from your opinions on another， you may be in the grip of an ideology. When you truly think for yourself your conclusions will not be predictable.
Transparency in sourcing isn’t optional—it’s a responsibility.
The past is a kind of shadow which is always there, whether you choose to ignore it or not.
Leadership in energy means making tough decisions today for a better tomorrow.