"The enemy is a very good teacher."

"There is no one giant step that does it. It's a lot of little steps."

"To arrive at the simplest truth requires years of contemplation."

"Everything you can imagine is real."

"The important thing is not to stop questioning. Curiosity has its own reason for existing."

"The road to success is always under construction."

"We will now discuss in a little more detail the Struggle for Existence."

"Understanding that rests in what it does not understand is the finest."

"Exceptional thinkers ignore their critics and go about their business making history."

"Absorb what is useful, discard what is not, add what is uniquely your own."

"Believe in your infinite potential. Your only limitations are those you set upon yourself."

"No matter how smart we may think we are, no matter how committed we are to our truth, we can lose our way."

"When reading, only read. When eating, only eat. When thinking, only think."

"The future will be shaped by those willing to commit their minds and their bodies to the task."

"From error to error one discovers the entire truth."

"You need to be doing fewer things for more effect instead of doing more things with side effects."

"Genius is the ability to act rightly without precedent - the power to do the right thing the first time."

"The busy man is never wise and the wise man is never busy."

"an action committed in anger is an action doomed to failure. "

"It still holds true that man is most uniquely human when he turns obstacles into opportunities."

"The measure of intelligence is the ability to change."

"Try not to become a man of success, but rather try to become a man of value."

"A person who never made a mistake never tried anything new."

"Life is too short for long-term grudges."

"Failure is an option here. If things are not failing, you are not innovating enough."

"I think it is possible for ordinary people to choose to be extraordinary."

"Persistence is very important. You should not give up unless you are forced to give up."

"Have the courage to follow your heart and intuition."

"Design is not just what it looks like and feels like. Design is how it works."

"The only way to do great work is to love what you do."

"Stay hungry, stay foolish."

"Innovation distinguishes between a leader and a follower."

"If a man knows not to which port he sails, no wind is favorable."

"As long as you live, keep learning how to live."

"Difficulties strengthen the mind, as labor does the body."

"All cruelty springs from weakness."

"Education is the kindling of a flame, not the filling of a vessel."

"To find yourself, think for yourself."

"Strong minds discuss ideas, average minds discuss events, weak minds discuss people."

"Wonder is the beginning of wisdom."