Quotes to Quote - 2

Few interesting thought-bits that I came across this week.
• Imagine if you can only know one thing in the world and that one thing is that you don't know anything.
• When you explore a new field of knowledge, there are three stages.
1. you don't know what you don't know - not useful for anyone
2. you know what you don't know - you are useful for yourself
3. then you know what you know and what you don't know - you become useful for others
• We all see but only few observe; we all hear but only few listen; we all speak but only few mean.