Of course, we also have the responsibility to win games and the difficulty in the job is to combine both.
Arsene Wenger

On the basis of the familiar experience that that which is learned with difficulty is better retained, it would have been safe to prophesy such an effect from the greater number of repetitions.
Hermann Ebbinghaus

One would think that in writing about literary men and matters there would be no difficulty in finding a title for one's essay, or that any embarrassment which might arise would be from excess of material. I find this, however, far from being the case.
James Payn

Our admiration of fine writing will always be in proportion to its real difficulty and its apparent ease.
Charles Caleb Colton

Owing to the difficulty of dealing with substances of high molecular weight we are still a long way from having determined the chemical characteristics and the constitution of proteins, which are regarded as the principal con-stituents of living organisms.
Karl Landsteiner

Owing to the difficulty of obtaining horses, Mr. Henry returns from this place. In descending the Mississippi I will request him to pay his respects to you.
Zebulon Pike

Perhaps, to the uninformed, it may appear unaccountable that a man should be able to retain in his memory such a variety of learning; but the close alliance with each other, of the different branches of science, will explain the difficulty.
Marcus V. Pollio

Perpetual pushing and assurance put a difficulty out of countenance and make a seeming difficulty gives way.
Jeremy Collier

Rocket science has been mythologized all out of proportion to its true difficulty.
John Carmack

Russia is a part of European culture. Therefore, it is with difficulty that I imagine NATO as an enemy.
Vladimir Putin

Some people carry their hearts in their heads; very many carry their heads in their hearts. The difficulty is to keep them apart, yet both actively working together.
Augustus Hare

Somebody who was born in this country who visited China would later face difficulty getting back in to the USA. We have to keep in mind that the struggles of the Chinese against these exclusion laws really laid down the foundations of civil rights law.
Iris Chang

Sometimes I write notes that I have difficulty singing.
Elvis Costello

Sometimes my mother had difficulty communicating with me about certain topics.
Gloria Estefan

Sports is a metaphor for overcoming obstacles and achieving against great odds. Athletes, in times of difficulty, can be important role models.
Bill Bradley

Surmounting difficulty is the crucible that forms character.
Tony Robbins

Technological society has succeeded in multiplying the opportunities for pleasure, but it has great difficulty in generating joy.
Pope Paul VI

Test a servant while in the discharge of his duty, a relative in difficulty, a friend in adversity, and a wife in misfortune.
Chanakya

The accumulation of skill and science which has been directed to diminish the difficulty of producing manufactured goods, has not been beneficial to that country alone in which it is concentrated; distant kingdoms have participated in its advantages.
Charles Babbage

The apprenticeship of difficulty is one which the greatest of men have had to serve.
Samuel Smiles