It takes a great man to be a good listener.
Not everything that can be counted counts, and not everything that counts can be counted.
Each problem that I solved became a rule which served afterwards to solve other problems.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
The weak can never forgive. Forgiveness is the attribute of the strong.
Wisdom... comes not from age, but from education and learning.
We may encounter many defeats but we must not be defeated.
You cannot truly listen to anyone and do anything else at the same time.
I've come to believe that all my past failure and frustration were actually laying the foundation for the understandings that have created the new level of living I now enjoy.
I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.
If you are neutral in situations of injustice, you have chosen the side of the oppressor.
The secret of life, though, is to fall seven times and to get up eight times.
There is nothing more uncommon than common sense.
It is hard to fight desire; but to control it is the sign of a reasonable man.
One must wait until the evening to see how splendid the day has been.
Let no man pull you low enough to hate him.
Don't take tomorrow to bed with you.
You can best serve civilization by being against what usually passes for it.
The lie is a condition of life.
To do great things is difficult, but to command great things is more difficult.
The only limit to our realization of tomorrow will be our doubts of today.