Write the book you want to read.
The brain works in mysterious ways. By stepping aside, finding other projects and actively ignoring something, our subconscious creates space for ideas to grow.
Diversity is insurance of the mind.
While regular practice might include mindless repetitions, deliberate practice requires focused attention and is conducted with the specific goal of improving performance.
Mindless activity is the enemy of deliberate practice.
Deliberate practice always follows the same pattern: break the overall process down into parts, identify your weaknesses, test new strategies for each section, and then integrate your learning into the overall process.
You are not beaten until you admit it.
Do your duty as you see it, and damn the consequences.
The object of war is not to die for your country but to make the other bastard die for his.
Never stop being ambitious. You have but one life, live it to the fullest of glory and be willing to pay any price.
Always do more than is required of you.
By perseverance, and study, and eternal desire, any man can become great.