Live your life... as though everything is a miracle.

The years of anxious searching in the dark, with their intense longing, their alternations of confidence and exhaustion and the final emergence into the light -- only those who have experienced it can understand it.

There is only one road to human greatness: through the school of hard knocks.

This is a question too difficult for a mathematician. It should be asked of a philosopher"(when asked about completing his income tax form)

A ship is safe at shore but it's not built for that.

At the same time, as social beings, we are moved in the relations with our fellow beings by such feelings as sympathy, pride, hate, need for power, pity, and so on.

Where you see difficulty, I see opportunity.