The technology at the leading edge changes so rapidly that you have to keep current after you get out of school. I think probably the most important thing is having good fundamentals.
If everything you try works, you aren't trying hard enough.
Most of what I learned as an entrepreneur was by trial and error
With engineering, I view this year's failure as next year's opportunity to try it again. Failures are not something to be avoided. You want to have them happen as quickly as you can so you can make progress rapidly.
One thing a leader does is to remove the stigma of mistakes.
No physical quantity can continue to change exponentially forever. Your job is delaying forever.
The computer is really a useful gadget for consuming time.
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Top 7 Life Lessons By Samsung Founder Lee Byung-chul