Education is not the acquisition of degrees. It is the broadening of one's mind. It is the process of undertaking and imparting true knowledge. It is the awakening of one's consciousness towards the Universe within us and the Universe around us.
There is a simple rule regarding wisdom: those who have a superficial knowledge cannot be wise. On the contrary, wise people have broad knowledge. However, besides the acquired knowledge, wisdom arises from observation and contemplation over a longer period of time. Wisdom is, therefore, often the privilege of older people who have a broad knowledge and respectable experience. Feel free to ask such people for advice.
In general, people accumulate knowledge gradually over a long period of time. However, there are extraordinary people all around us, who are capable of accumulating impressive amounts of knowledge within a relatively short period of time. Nevertheless, even the greatest genius possesses only a small fraction of all knowledge known by mankind. Finally, the following question arises: how large is all the existing knowledge in comparison to the space of ignorance?
I've tried to solve problems to the best of my knowledge. Many times I was successful, but sometimes I also failed. And now I finally understand – that's life.
Each type of knowledge has value; however, from an engineering point of view, practical knowledge seems to be more valuable than theoretical knowledge.
Knowledge can be acquired by education, reading, communicating and observing, but also simply by living.