diff --git a/goose_std.go b/goose_std.go
index 9de7e16..987231e 100644
--- a/goose_std.go
+++ b/goose_std.go
@@ -6,6 +6,13 @@ import (
 	"github.com/goose-lang/primitive"
 )
 
+// Assert(b) panics if b doesn't hold
+func Assert(b bool) {
+	if !b {
+		panic("assertion failure")
+	}
+}
+
 // BytesEqual returns if the two byte slices are equal.
 func BytesEqual(x []byte, y []byte) bool {
 	xlen := len(x)
diff --git a/goose_std_test.go b/goose_std_test.go
index e657628..265089d 100644
--- a/goose_std_test.go
+++ b/goose_std_test.go
@@ -6,6 +6,13 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestAssert(t *testing.T) {
+	Assert(true)
+	assert.Panics(t, func() {
+		Assert(false)
+	})
+}
+
 func TestBytesEqual(t *testing.T) {
 	assert := assert.New(t)