The major problems in the world are the result of …..

“When people will not weed their own minds, they are apt to be overrun by nettles.” ― Horace Walpole

“We don’t learn from our mistakes, we learn from thinking about our mistakes” – Ralph Tyler

“Finally, and most importantly, I wanted to show that we can all be outstanding scientists. The secret of being a good scientist, I believe, lies not in our brain power. We have enough. We simply need to look at reality and think logically and precisely about what we see.” – Dr Eliyahu Goldratt