An invention can be so valuable as to be worthless to the inventor.
一项发明可能价值连城，但对发明者却毫无价值。
比培训员工后失去他们更糟糕的是不培训他们而留住他们。
Personality changes more during your 20s than at any other time in life.
We must balance economic growth with environmental responsibility; they are not mutually exclusive.
It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!
Inflation is a very bold idea, but it seems to be the only way to explain the observed features of the universe.