Gaining knowledge is an endless process both for every person and for the mankind. There are two great sources for learning: books and experience. From my point of view experience is the most important source of knowledge for two reasons. To begin with, knowledge gained from the books are not enough for real life without supporting by knowledge gained from experience. Modern education system provides the great approvememt of this assumption.

Sea water has a higher concentration of salt. Therefore, its density (mass per unit volume) is higher than that of fresh water. That's why we float more easily in sea water than in fresh water. Furthermore, that's why people can barely sink in the Dead Sea, which is a sea with an unusually high salt concentration (i.e., an incredibly high density).

I love draw, is a important part of my life. I like draw people and monsters, animals and objects. Drawing is a visual form of words and expresses everything. It's wonderful.

I love draw, is a important part of my life. I like draw people and monsters, animals and objects. Drawing is a visual form of words and expresses everything. It's wonderful.

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http://www.tom61.com/xiaoxuedianzikeben/renjiaobandianzikeben/2011-01-15/2624.html

23 consonants    

In the common speech of modern Chinese, there are altogether 23 initials and 24 finals.

I have been asked to write do an activity in which I have to ask Google for removing a search result which wrongly associated my grandfather’s name with a serial killer. This is my attempt:

Hi, I'm Sander and I'd like to learn and practice the English. So I'll write just a little to practice. 

I work with IT at a telco company and currently I saw a needed to really learn English. I'd like to talk and write more confident and confortable, so I saw a needed to restart my english studies. Now I'm studying at least 30min per day and today I found this site "The mixxer" that look like to be a good way to improve my English. So, please help me if you can. If you need I'm able to help in Portuguese/Brazil.

Hi. My English´s book have an exercise which tell me to write a story about a strange or unusual experience, and this is my story: 

<< Margaret had always wanted to visit her great-grandmother´s country house. She was very excited that summer because she was going to spend one month with her family in that house. 

Dear all, We performed some additional tests in order to assess the current state of our confocal microscope. We would greatly appreciate receiving your feedback on the observations that I will describe below. The first thing we did was to thoroughly clean the tip of the optical fibre that goes from the three-laser unit to the scanning head (referred to as the “optical-fibre cable for excitation light” in the microscope manual). We carried out the cleaning with propanol-2 and lens cleaning paper.

We are lining on an whirly epoch. Despite the richness without precedents in the world, a great insecurity exists, discomfort and dissatisfaction.
In US, the most of citizens have the opinion that the country is on a “wrong way”. Pessimism is increasing. In many other the same occurs.
For facing this context it is time to consider again the basics facts of happiness in our economical life.