The energy of the mind is the essence of life.

In poverty and other misfortunes of life, true friends are a sure refuge. The young they keep out of mischief; to the old they are a comfort and aid in their weakness, and those in the prime of life they incite to noble deeds.

Those who own much have much to fear.

In the practice of tolerance, one's enemy is the best teacher.

I am proud of the fact that I never invented weapons to kill.

Peace comes from within. Do not seek it without.

The highest education is that which does not merely give us information but makes our life in harmony with all existence.

Those who can win a war well can rarely make a good peace and those who could make a good peace would never have won the war.

Innovation distinguishes between a leader and a follower.

Communists have always played an active role in the fight by colonial countries for their freedom, because the short-term objects of Communism would always correspond with the long-term objects of freedom movements.

Great dreams of great dreamers are always transcended.

Logic will get you from A to B. Imagination will take you everywhere.