For an impenetrable shield, stand inside yourself.

For an impenetrable shield, stand inside yourself.

Don't expect mangoes when you plant papayas.

Don't expect mangoes when you plant papayas.

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to read more

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to compete with other people. The specialist knows more and more about less and less and finally knows everything about nothing.

No one is entitled to the truth.

No one is entitled to the truth.

Civilization rests on a set of promises; if the promises are broken too often, the civilization dies, no matter how read more

Civilization rests on a set of promises; if the promises are broken too often, the civilization dies, no matter how rich it may be, or how mechanically clever. Hope and faith depend on the promises; if hope and faith go, everything goes.

Question everything. Learn something. Answer nothing.

Question everything. Learn something. Answer nothing.

If we had no winter, the spring would not be so pleasant: if we did not sometimes taste of adversity, read more

If we had no winter, the spring would not be so pleasant: if we did not sometimes taste of adversity, prosperity would not be so welcome.

Intelligence is nothing without delight.

Intelligence is nothing without delight.

If we are not ashamed to think it, we should not be ashamed to say it.

If we are not ashamed to think it, we should not be ashamed to say it.