If Steinitz continually took pains to discover combinations, the success or failure of his diligent search could not be explained by him as due to chance. Hence, he concluded that some characteristic, a quality of the given position, must exist that would indicate the success or the failure of the search before it was actually undertaken.

The range of circumstances in which it is possible to presuppose the presence of a combination is very limited. The presence of such circumstances is the reason for the genesis of the idea in the master's brain.

The attack is that process by means of which you remove obstructions.

An advantage could consist not only in a single important advantage but also in a multitude of insignificant advantages.

To refer to the oft mooted question, "Which piece is stronger, the Bishop or the Knight?" it is clear that the value of the Bishop undergoes greater changes than that of the Knight.

The process of making pieces in Chess do something useful (whatever it may be) has received a special name: it is called the attack. The attack is that process by means of which you remove obstructions.

He who has a slight disadvantage plays more attentively, inventively and more boldly than his antagonist who either takes it easy or aspires after too much. Thus a slight disadvantage is very frequently seen to convert into a good, solid advantage.