1.  In the same time, we ourselves have to keep this in mind: learning is the most important.

2.  ' So in men's mind, 'To do something' is usually in the first place.

3.  ' So in men's mind, 'To do something' is usually in the first place.

4.  ' Although it's quite essential to make friends during our lifetime, there are still some tips which should keep in mind when seeking for our all-the-way friends.

5.  Please keep in mind that a friend in need is a friend indeed.

6.  However, we should keep in mind that only when the Internet is wisely used can we benefit from it.

7.  Keep in mind that we are all responsible for our society.

8.  What's more, everyone must keep in mind that alcohol will destroy a person if he is not careful.

9.  However, we should keep in mind that each coin has two sides and online shopping has no exception.

10.  Mankind is extremely resilient but we must keep in mind that we and our planet are not indestructible.