Let your yes be yes and your no be no--you can always change your mind.
Well, cooking starts with shopping. If the ingredients are not good, you don't do it. Just change your mind and do something else.
Change the problem by changing your mind.
In investing it is never wrong to change your mind. It is only wrong to change your mind and do nothing about it.
Let the dataset change your mindset
[Getting older is] experience but it's also changing your mindset.
Change your mind and it will change your life. If nothing around you changes, changes the things that are around you.
Be flexible. Don't be afraid to change your mind. If you're wrong, change your mind. If you go down the wrong path, and you're down 10-12%, it's better to sell down 15% versus 50%. If you have an idea that something is going to happen, you're predicting the future, and it's OK to be wrong. Where you can go wrong is by making a prediction that doesn't come true, and then sticking with it.
Change your mind about something significant every day.