We must constantly look at things in a different way.

I do not know what I may appear to the world， but to myself I seem to have been only like a boy playing on the sea-shore， and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary， whilst the great ocean of truth lay all undiscovered before me.

如果农民不能有效使用，最先进的技术也毫无价值。

The common question that gets asked in business is, 'why?' That's a good question, but an equally valid question is, 'why not?'

No matter what difficulties I encounter, I will continue to sing.