Acquiring knowledge is not only a means of understanding the world better, but also a way of     1     (appreciate) how much we don't know. Admitting what we don't know can       2     (perceive) as a chance for us to know the hidden importance. For example, the blank spaces between the objects were of great       3     (important) to the success of the composition.

There are several reasons for us to be lifelong learners.     4     (expose) to many new ideas, beliefs, practices and learning experiences, we should make efforts to adapt     5     (we) to the changing world. New knowledge is constantly being generated,     6     reminds us to revise what we already know and keep pace with the latest developments.

So, how can we proceed? We need to have an open mind and develop critical thinking skills, in order not to follow something     7     (blind). Besides, opportunities for lifelong learning should be taken advantage     8     as well. Finally, it is       9    (sufficient) to simply know something without application and     10       review process.

In conclusion, we should never cease to learn to benefit both human society, and individuals.