The path to success is to take massive, determined action.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

There are things known and there are things unknown, and in between are the doors of perception.

Confidence is contagious. So is lack of confidence.

He alone is free who lives with free consent under the entire guidance of reason.

It is not enough to have a good mind; the main thing is to use it well.

Let there be spaces in your togetherness.

All imperfection is easier to tolerate if served up in small doses.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

He who is slowest in making a promise is most faithful in its performance.

We thought that we had the answers, it was the questions we had wrong.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Honesty is the first chapter in the book of wisdom.

We never see ourselves as others see us.

Anywhere you go in the world is what you make of it, not what you read in books.

Science may set limits to knowledge, but should not set limits to imagination.

The only way to get the best of an argument is to avoid it.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Don't criticize what you can't understand.

If you don't want to slip up tomorrow, speak the truth today.

Real knowledge is to know the extent of one's ignorance.