As you know,"observation"play a very important part in the study of a language.it can be done by seeing,reading or listening.
I recommemend that you read with care ,so that you may understand all the fables and enjoy them.
THE OX AND THE MOSQUITO
In the horn of an ox had a mosquito.
the mosquito was there a long time,
when he left asked to the ox if he was
happy because he was leaving.
the ox said:
I did not know you were here,
I will not know when you leave. ESOPO