Over time, as you continue to improve and succeed, your strategy needs to change.

The opportunity cost of your time increases as you become more successful. At first, you just eliminate the obvious distractions and explore the rest. As your skills improve and you learn to separate what work...

Saying no is sometimes seen as a luxury that only those in power can afford. And it is true: turning down opportunities is easier when you can fall back on the safety net provided by power, money, and authority. But it is also true that saying no is not merely a privilege reserved for the success...

Most of us are probably too quick to say yes and too slow to say no. It’s worth asking yourself where you fall on that spectrum.

If you have trouble saying no, you may find the following strategy proposed by Tim Harford, the British economist I mentioned earlier, to be helpful. He writes, “...

We agree to many requests not because we want to do them, but because we don’t want to be seen as rude, arrogant, or unhelpful. Often, you have to consider saying no to someone you will interact with again in the future—your co-worker, your spouse, your family and friends.