A wise man will make more opportunities than he finds.
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.
The individual investor should act consistently as an investor and not as a speculator.
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it.