Opportunity may be hard to recognize if you are only looking for a lucky break.

Theconventional view serves to protect us from the painful job of thinking.

None but the productive can be strong; and none but the strong can be free.

There is no passion in life as intense as the desire to change someone else's draft.

There is no comparison between that which is last by not succeding and that what is last by not trying.

The surest way to remain poor is to be an honest man.

Silenceis as full of potential wisdom and wit as the unshownmarble of great sculpture. The silent bear no witness against themselves.

To ease another's heartache is to forget one's own.

Relationships of trust depend on our willingness to looknot only to our own interests, but also the interests of others.

Beautiful young people are accidents of nature, Beautiful old people are works of art.

I hold it to be a proof of great prudence for men toabstain from threats and insulting words toward an enemy, for neither ...diminishes the strength of the enemy; but the one makes him more cautious,and the other increases his hatred of you and makes him

Science has promised us truth. It has never promised us either peace or happiness.