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.

Without error there can be no brilliancy

The hardest game to win is a won game

Show me three lines of the opening theory moves and I will prove to you that two of them are incorrect.

Chess is neither a science nor an art. It is what human nature most delights in--a fight.

Vanity should never tempt a player to engage in a combat at the risk of loss of health. It is bad enough to lose without the additional annoyance of paying doctors' bills.

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.