The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The most difficult thing is the decision to act, the rest is merely tenacity.
翻译:机密的事情不保密,就会招致祸害。
The food issue is not only an economic issue, but also a political one, related to the long-term stability of the country.
The only way to learn mathematics is to do mathematics.