Success at work has a lot to do with how you work, but it also relates to how you think. I’ve interviewed more than 300 top business executives and CEOs for my podcast and books and love to pick their brains about how they think and the habits they follow. I’ve learned that success at work requires everyday effort and constant evaluation. It’s not something you can dedicate yourself to once, but something to be constantly tweaked and updated.   To be successful, follow the example of top business leaders. Ask yourself these three questions at work every day: What did I learn today? It’s no secret that the business world is changing rapidly. The things you learned in school or even at a conference a few years ago are likely largely outdated today. To be successful, you must become a perpetual learner. It requires conscious thought and energy to learn something new every day, whether it’s from a conversation with someone, a book, a podcast, or another source. If you start to notice multiple days in a row when you haven’t learned anything, it’s time to re-commit to regular and consistent learning. What is the best thing I did today? It’s easy to get hung up on what you didn’t accomplish in a day or the things that could have gone better. Instead, reflect on what you did well. What made you feel good, proud, or accomplished? Practice positivity and gratitude and you’ll be amazed by the positive changes in your life. What can I do better tomorrow? Some of the most successful people I’ve talked to are constantly evaluating themselves and tweaking their approach to work and relationships. Even small updates and changes can lead to big progress over time. Taking time to be self-aware and look for ways to improve sets you on a path for continual progress and development.    As a bonus question, ask yourself who you can help the next day. No matter if you’re a manager or an entry-level employee, there are always people you can help. It doesn’t have to be huge, but reaching out to someone and offering a helping hand shows humility and builds relationships.   Asking yourself these questions at the end of every day only takes a few minutes, but the practice of self-evaluation leads to strong self-discipline and continual improvement. If you want to be a business leader, you’ve got to think like one. And it starts by asking yourself these questions every day.