Each type of knowledge has value; however, from an engineering point of view, practical knowledge seems to be more valuable than theoretical knowledge.
Be patient in life, knowing that there is a real possibility that the desired outcome could happen without your direct involvement.
Love and advise your children unconditionally.
An unsolved problem bothers one's mind, just as a small stone in the shoe,until an idea for solving the problem comes to mind.
It is not acceptable that election winners interpret history. History should be left to historians who have a difficult task. They should try to avoid a one-sided or personal interpretation of history...
Never lie. Firstly, you will be caught in the lie sooner or later. Secondly, count on problems when repairing the consequences of the lie. Therefore, always tell the truth no matter how unpleasant it...
Avoiding setting too strong rules is the best way not to have problems with your own rules.
There is no better way to improve yourself than an exchange of ideaswith peers.
When an influencing idea comes to life, people cannot exactly predict all its inevitable consequences.
A fairy-tale life exists only in fairy tales.
One may sleep as long as one prefers, but one should know that each hour of excess sleep is an hour lost for learning.
There is a fascinating entanglement of science and knowledge, which is expressed as scientific knowledge.
Only knowledge and truth may result in freedom of mind.
Do not look for company at all costs, and especially do not allow loneliness to lead you to fickle love or false friendship.
In the frame of a known phenomenon of life, a human could be defined as the only proven thinking creature.
Ideas tell a lot about a person who generated them.
An idea is an amazing creation of the human mind, which comes either asa result of one's continuous endeavors for solving a certain problem or justas a spark that lights up the considered problem.
Most people take health at face value. Quite often people understand that health is the most valuable possession only after they become seriously ill.
A good thing in one's ignorance is that one doesn't know that s/hedoesn't know.
It is equally important to learn from experience and from books.