"Every second given to regret is a precious second stolen from creation. Such is the immutable nature of understanding."

"It is a unyielding truth that true innovation is born when curiosity dares to question long-settled assumptions — an essential principle for the reflective life."

"He who conquers his inner doubts has already won half the war. Such is the immutable nature of understanding."

"The canvas of imagination has no boundaries except those imposed by fear. Reflect upon this whenever doubt clouds your horizon — an essential principle for the reflective life."

"I'm English. Our dentistry is not world famous."

"A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world."

"Reputation is only a candle, of wavering and uncertain flame, and easily blown out, but it is the light by which the world looks for and finds merit."

"At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, and replace the savage races throughout the world."