For Friends Abroad
We learn...
리틀윙
2011. 2. 24. 18:12
- We learn -
10% of what we read,
20% of what we hear,
30% of what we see,
50% of what we both see and hear,
70% of what is discussed with others,
80% of what we experience personally,
95% of what we teach someone else.
by William Glasser