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.
Emanuel LaskerTruth derives its strength not so much from itself as from the brilliant contrast it makes with what is only apparently true. This applies especially to Chess, where it is often found that the profoundest moves do not much startle the imagination.
Emanuel LaskerTo 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.
Emanuel LaskerBy positional play a master tries to prove and exploit true values, whereas by combinations he seeks to refute false values ... A combination produces an unexpected re-assessment of values.
Emanuel Lasker