People are generally better persuaded by the reasons which they have themselves discovered than by those which have come in to the mind of others.

The origins of disputes between philosophers is, that one class of them have undertaken to raise man by displaying his greatness, and the other to debase him by showing his miseries.

When we are in love we seem to ourselves quite different from what we were before.

One-half of the ills of life come because men are unwilling to sit down quietly for thirty minutes to think through all the possible consequences of their acts.

There is nothing that we can see on earth which does not either show the wretchedness of man or the mercy of God. One either sees the powerlessness of man without God, or the strength of man with God.

The strength of a man's virtue should not be measured by his special exertions, but by his habitual acts.

I feel engulfed in the infinite immensity of spaces whereof I know nothing, and which know nothing of me, I am terrified The eternal silence of these infinite spaces alarms me.