Intellection- the process of thinking.
thoughts- the content of cognition.

A thought is an idea . It can change your life.if it is a great thought, it can change a society.

What to think? any thing !. It will increase your brain capacity.
You know our knowledge is the amassed thought of and eperience of of innumerable minds.
To know that we know what we know,and that we do not know what we do not know,
that is true knowledge.
Just by opening your eyes and looking around,you can collect lot of data from outside.
The essence of thease data is-Information.
The essence of this information is-the Knowledge.
The essece of knowledge is- Education.
The essence of the education is -Wisdom..
Thought helps to extract the essence in each stage mentioned above.

Everybody wants to teach others, but the important thing is to teach ourself first. The better part of every man's education is that which he gives himself.
In a sense, education is the ability to listen to almost anything without losing your temper or your self confidence.
Keep your eyes, ears,and mind open,nature will teach you a lot. you will get lot of ideas and informations. think about it.You will get answers to lot of questions.

Indian president said- " The ignited mind is the most powerful resource on the earth."