You can't go back and change the beginning, but you can start where you are and change the endings.

I'm actually as proud of many of the things we haven't done as the things we have done.

Look deep into nature, and then you will understand everything better.

The greatest virtues are those which are most useful to other persons.

The easiest way to solve a problem is to deny it exists.

Success is not about seeking constant external recognition; it's about finding fulfillment in the journey and savoring the process of growth and self-discovery.

I won't teach what I haven't learned.