To rule is easy, to govern difficult.
Johann Wolfgang von Goethe

Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.
Johann Wolfgang von Goethe

Sowing is not as difficult as reaping.
Johann Wolfgang von Goethe

There are two things which a democratic people will always find very difficult - to begin a war and to end it.
Alexis de Tocqueville

In a revolution, as in a novel, the most difficult part to invent is the end.
Alexis de Tocqueville

It is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.
John Steinbeck

Not every difficult and dangerous thing is suitable for training, but only that which is conducive to success in achieving the object of our effort.
Epictetus

The word "belief" is a difficult thing for me. I don't believe. I must have a reason for a certain hypothesis. Either I know a thing, and then I know it - I don't need to believe it.
Carl Jung

There are no classes in life for beginners; right away you are always asked to deal with what is most difficult.
Rainer Maria Rilke

For one human being to love another; that is perhaps the most difficult of all our tasks, the ultimate, the last test and proof, the work for which all other work is but preparation.
Rainer Maria Rilke

It is good to be solitary, for solitude is difficult; that something is difficult must be a reason the more for us to do it.
Rainer Maria Rilke

As we advance in life it becomes more and more difficult, but in fighting the difficulties the inmost strength of the heart is developed.
Vincent Van Gogh

The best work is not what is most difficult for you; it is what you do best.
Jean-Paul Sartre

If you procrastinate when faced with a big difficult problem... break the problem into parts, and handle one part at a time.
Robert Collier

A civilization is a heritage of beliefs, customs, and knowledge slowly accumulated in the course of centuries, elements difficult at times to justify by logic, but justifying themselves as paths when they lead somewhere, since they open up for man his inner distance.
Antoine de Saint-Exupery

Becoming a leader is synonymous with becoming yourself. It is precisely that simple, and it is also that difficult.
Warren G. Bennis

No question is so difficult to answer as that to which the answer is obvious.
George Bernard Shaw

No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
George Bernard Shaw

If it's hard to remember, it'll be difficult to forget.
Arnold Schwarzenegger

If you think too much about being re-elected, it is very difficult to be worth re-electing.
Woodrow Wilson