No matter which path you are on, always do this: Question your path! If you are on the wrong path, change it; no matter on which mile of the road, change it! Till you find the right path, change all the paths!

The continuous war between the reactionary and the progressive forces determine the degree of mankind's happiness.

Our real power in life comes from our true thinking!

Science is the tongue in the mouth of the Universe; it is destined to know every little corner of the cosmos.

The greatest masters are the greatest apprentices as well; they are not only greatest givers but also greatest takers.

Darkness has the ability to cover up; light has the ability to uncover! Darkness is the enemy of truth; light is the friend of truth!

Solitude is the rebel of the freedom.