Criticism addressed to a person can only be of benefit if it was said in the right way and at the right time.

The development of civilization was marked by constant changes. This will continue – therefore, the future will belong to people ready for change.

The people who overcome their fears are the ones who can achieve their dreams.

Telling the truth is less demanding than telling a lie.

Every fool has an idea how to change the world. Wise people think about how to improve the world around them.

A wise man doesn't start what he doesn't know to do.

Each type of knowledge has value; however, from an engineering point of view, practical knowledge seems to be more valuable than theoretical knowledge.

A fairy-tale life exists only in fairy tales.

To become strong, analyse yourself first. You must detect your weaknesses to overcome them.