If you're going through hell, keep going. 

Books are indispensable. You can move from hard copies to soft copies. But that’s about it.

Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even capable of forming such opinions.

Marriage is neither heaven nor hell, it is simply purgatory.

Reflect upon your present blessings of which every man has many - not on your past misfortunes, of which all men have some.

The nations that in fettered darkness we. Crave thee to lead them where great morning break.

In a gentle way, you can shake the world.

God cannot be realized through the intellect. Intellect can lead one to a certain extent and no further. It is a matter of faith and experience derived from that faith.

Success is the result of perfection, hard work, learning from failure, loyalty, and persistence.

My religion teaches me that whenever there is distress which one cannot remove, one must fast and pray.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Science is a beautiful gift to humanity; we should not distort it.