“But suppose, for the sake of argument, free competition, without any sort of monopoly, would develop capitalism trade more rapidly. Is it not a fact that the more rapidly trade and capitalism develop, the greater is the concentration of production and capital which gives rise to monopoly?” 

“American ethics”, which the European professors and well-meaning bourgeois so hypocritically deplore, have, in the age of finance capital, become the ethics of literally every large city in any country.” 

“Logic is the science not of external forms of thought, but of the laws of development "of all material, natural and spiritual things", i.e., of the development of the entire concrete content of the world and of its cognition, i.e., the sum-total, the conclusion of the History of knowledge of the world.” 

“It is necessary sometimes to take one step backward to take two steps forward.” 

“The departments are shit; decrees are shit.” 

There are sadistic scientists who hurry to hunt down errors instead of establishing the truth. 

One never notices what has been done; one can only see what remains to be done. 

So perished the hope founded on the wonderful being who thus ceased to be. In the study room to which he was never to return, the water buttercups he had brought from the country were still fresh. 

Radium is not to enrich any one. It is an element; it is for all people.

Certein bodies… become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, and also by the action of radium. 

We must not forget that when radium was discovered no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of view of the direct usefulness of it. It must be done for itself, for the beauty of science, and then there is always the chance that a scientific discovery may become like the radium a benefit for mankind. ” 

Have no fear of perfection; you’ll never reach it. 

“As iron sharpens iron, so a friend sharpens a friend.”

Even fools are thought wise when they keep silent.

“Who is the wise man? He, who sees what’s going to be born.”

Wisdom is the principal thing; therefore get wisdom: and with all your getting get understanding.

It’s the one thing you can control. You are responsible for how people remember you—or don’t. So don’t take it lightly.

I create my own path. It was straight and narrow. I looked at it this way: you were either in my way, or out of it.

The most important thing is you must put everybody on notice that you’re here and you are for real.

Pain doesn’t tell you when you ought to stop. Pain is the little voice in your head that tries to hold you back because it knows if you continue you will change.

A lot of leaders fail because they don’t have the bravery to touch that nerve or strike that chord.

Winning takes precedence over all. There’s no gray area. No almosts.

In an individual sport, yes, you have to win titles. Baseball's different. But basketball, hockey? One person can control the tempo of a game, can completely alter the momentum of a series. There's a lot of great individual talent.

I've got four dogs, and I just don't do dog doo. I'm a diva when it comes to that.