The incentives are both inside and outside, it is also important to read too. And the most important thing is understanding if it read, but did not understand the meaning of it, it really means not reading.
Incentives are both external and internal, it is also important to read well and the most important thing is understanding if the reader does not understand the meaning of it, it really means not read.
Motivation has both inside and outside, is also important in reading.And most important is understanding, if read but do not understand its meaning, it means not to read.