f the injustice is part of ...

f the injustice is part of the necessary friction of the machine of government, let it go, let it go; perchance it will wear smooth - certainly the machine will wear out... but if it is of such a nature that it requires you to be the agent of injustice to another, then I say, break the law. Let your life be a counter-friction to stop the machine. What I have to do is to see, at any rate, that I do not lend myself to the wrong which I condemn.
f the injustice is part of the necessary friction of the machine of government, let it go, let it go; perchance it will wear smooth - certainly the machine will wear out... but if it is of such a nature that it requires you to be the agent of injustice to another, then I say, break the law. Let your life be a counter-friction to stop the machine. What I have to do is to see, at any rate, that I do not lend myself to the wrong which I condemn.

Quotes from the same author

Many men go fishing all of their lives without knowing that it is not fish they are after.
If one advances confidently in the direction of his dream, and endeavors to live the life which he had imagines, he will meet with a success unexpected in common hours.
Ignorance and bungling with love are better than wisdom and skill without.
The most I can do for my friend is simply be his friend.
A man cannot be said to succeed in this life who does not satisfy one friend.