1972
1973
1985
1986
1987
1991
1992
1994
1999
2002
2011
2013
2013
2013
In the beginner's mind there are many possibilities, in the expert's mind there are few.
1972
1973
1985
1986
1987
1991
1992
1994
1999
2002
2011
2013
2013
2013