I have not failed. I've just found 10,000 ways that won't work.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

Genius is one percent inspiration and ninety-nine percent perspiration.

I never did anything by accident, nor did any of my inventions come by accident; they came by work.

I never did anything by accident, nor did any of my inventions come by accident; they came by work.

-- Thomas Edison

When you are earnest, wisdom emerges. When you are half-hearted, complaints emerge. When you are careless, excuses emerge.

-- Takeda Shingen

Forgetting is the natural grace that time bestows.

-- Yasushi Inoue

Life is too long to do nothing, yet too short to accomplish something.

-- Atsushi Nakajima

One only sees what one already knows and understands.

-- Johann Wolfgang von Goethe

Yesterday's home runs don't win today's games.

-- Babe Ruth