Don't jump into market too soon unless you know how to exit.

Any prediction has exception.

Be ready to change your tactics according to market condition.

大膽假設，小心求證。  小心求證的意思是：眼見為實，不匆忙下結論。

(有時眼見也不一定為實，如果你隻看見局部現象。下一個視頻很有意思，看後，你會明白其中的道理的。）