Solutions to tough problems should be made as simple as possible - and no simpler.
Whoever is careless with the truth in small matters cannot be trusted in important affairs.
The more I learn of physics, the more I am drawn to metaphysics.
The most difficult part about understanding something is that we understand it all.
If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.
Generations to come will find it difficult to believe that a man such as Gandhi ever walked the face of this earth.