投资者和投机者之间最现实的区别在于他们对股市波动的态度。
The most realistic distinction between the investor and the speculator is found in their attitude toward stock-market movements.
"Don't let yesterday take up too much of today."
Markets are constantly in a state of uncertainty and flux and money is made by discounting the obvious and betting on the unexpected.
我不害怕脆弱。
如果农民不能有效使用，最先进的技术也毫无价值。