“If thou follow thy star, thou canst not fail of a glorious heaven.”

“Give me a lever long enough, and a prop strong enough, I can single-handed move the world”

“When brothers agree, no fortress is so strong as their common life”

“For where the instrument of intelligence is added to brute power and evil will, mankind is powerless in its own defense”

“Inside myself is a place where I live all alone and that is where I renew my springs that never dry up”

“The power of doing anything with quickness is always prized much by the possessor, and often without any attention to the imperfection of the performance.”