Trust, but verify.

Trust, but verify.

To know a man, observe how he wins his object, rather than how he loses it; for when we fail, read more

To know a man, observe how he wins his object, rather than how he loses it; for when we fail, our pride supports; when we succeed; it betrays us.

Success is the maximum utilization of the ability that you have.

Success is the maximum utilization of the ability that you have.

Honest disagreement is often a good sign of progress.

Honest disagreement is often a good sign of progress.

We all of us need assistance. Those who sustain others themselves want to be sustained. - The Way of the read more

We all of us need assistance. Those who sustain others themselves want to be sustained. - The Way of the Heart.

As to diseases, make a habit of two things - to help, or at least, to do no harm. - read more

As to diseases, make a habit of two things - to help, or at least, to do no harm. - Epidemics.

In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far read more

In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go.

In those days he was wiser than he is now--he used frequently to take my advice.

In those days he was wiser than he is now--he used frequently to take my advice.

Once the toothpaste is out of the tube, it's hard to get it back in!

Once the toothpaste is out of the tube, it's hard to get it back in!