Don't look back!" "Why not?" "Because I just did! Run faster!
Learning is the measurement of knowledge before and after.
You can't convince anyone of anything. You can only give them the right information, so that they convince themselves.
What's the difference between people who feel successful and people who feel they've failed? The answer is mindset: If you learn and grow from failure, suddenly it becomes a personal asset. People who are successful don't want instant gratification. They don't think about hitting a point of success and never working again. Instead they ask, How do I improve myself and continue to do that consistently over time?
Your first ritual that you do during the day is the highest leveraged ritual, by far, because it has the effect of setting your mind, and setting the context, for the rest of your day.
The next level, by definition, is something you can't see and you can't understand.
If you don't do sales and marketing, you'll forever be at mercy to those who do.
Never do an evil act just because it is trivial; never leave a good act undone just because it's small.
Quantitative methods are no more synonymous with objectivity than qualitative methods are synonymous with subjectivity.
The highlight of my baseball career came in Philadelphia's Connie Mack Stadium when I saw a fan fall out of the upper deck. When he got up and walked away, the crowd booed.
I've never really separated out the spiritual and the secular.