投资者应避免追逐过去的业绩。
The only way to learn a new programming language is by writing programs in it.
The cycle of poverty begins with the abandonment of hope.
Over the centuries the Indians developed sign language for communicating phenomena of interest. Programmers from different tribes (FORTRAN, LISP, ALGOL, SNOBOL, etc.) could use one that doesn't require them to carry a blackboard on their ponies.